diff options
Diffstat (limited to 'package')
10 files changed, 1020 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/311-v4.16-0001-brcmfmac-Fix-parameter-order-in-brcmf_sdiod_f0_write.patch b/package/kernel/mac80211/patches/311-v4.16-0001-brcmfmac-Fix-parameter-order-in-brcmf_sdiod_f0_write.patch new file mode 100644 index 0000000000..616a82119f --- /dev/null +++ b/package/kernel/mac80211/patches/311-v4.16-0001-brcmfmac-Fix-parameter-order-in-brcmf_sdiod_f0_write.patch @@ -0,0 +1,39 @@ +From 1fd3ae124d5e675f57cf7e3c601fb8f7712e0329 Mon Sep 17 00:00:00 2001 +From: Ian Molton <ian@mnementh.co.uk> +Date: Mon, 13 Nov 2017 21:35:38 +0100 +Subject: [PATCH] brcmfmac: Fix parameter order in brcmf_sdiod_f0_writeb() + +All the other IO functions are the other way round in this +driver. Make this one match. + +Signed-off-by: Ian Molton <ian@mnementh.co.uk> +Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com> +Signed-off-by: Kalle Valo <kvalo@codeaurora.org> +--- + drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c | 8 ++++---- + 1 file changed, 4 insertions(+), 4 deletions(-) + +--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c ++++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c +@@ -230,8 +230,8 @@ void brcmf_sdiod_change_state(struct brc + sdiodev->state = state; + } + +-static inline int brcmf_sdiod_f0_writeb(struct sdio_func *func, +- uint regaddr, u8 byte) ++static inline int brcmf_sdiod_f0_writeb(struct sdio_func *func, u8 byte, ++ uint regaddr) + { + int err_ret; + +@@ -269,8 +269,8 @@ static int brcmf_sdiod_request_data(stru + if (fn) + sdio_writeb(func, *(u8 *)data, addr, &ret); + else +- ret = brcmf_sdiod_f0_writeb(func, addr, +- *(u8 *)data); ++ ret = brcmf_sdiod_f0_writeb(func, *(u8 *)data, ++ addr); + } else { + if (fn) + *(u8 *)data = sdio_readb(func, addr, &ret); diff --git a/package/kernel/mac80211/patches/311-v4.16-0002-brcmfmac-Register-sizes-on-hardware-are-not-dependen.patch b/package/kernel/mac80211/patches/311-v4.16-0002-brcmfmac-Register-sizes-on-hardware-are-not-dependen.patch new file mode 100644 index 0000000000..719268f8fe --- /dev/null +++ b/package/kernel/mac80211/patches/311-v4.16-0002-brcmfmac-Register-sizes-on-hardware-are-not-dependen.patch @@ -0,0 +1,105 @@ +From 1e6f676f43aa4270ebc5cff8e32a55f72362e042 Mon Sep 17 00:00:00 2001 +From: Ian Molton <ian@mnementh.co.uk> +Date: Mon, 13 Nov 2017 21:35:39 +0100 +Subject: [PATCH] brcmfmac: Register sizes on hardware are not dependent on + compiler types + +The 4 IO functions in this patch are incorrect as they use compiler types +to determine how many bytes to send to the hardware. + +Signed-off-by: Ian Molton <ian@mnementh.co.uk> +Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com> +Signed-off-by: Kalle Valo <kvalo@codeaurora.org> +--- + .../wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c | 22 +++++++++++----------- + 1 file changed, 11 insertions(+), 11 deletions(-) + +--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c ++++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c +@@ -264,7 +264,7 @@ static int brcmf_sdiod_request_data(stru + func = sdiodev->func[fn]; + + switch (regsz) { +- case sizeof(u8): ++ case 1: + if (write) { + if (fn) + sdio_writeb(func, *(u8 *)data, addr, &ret); +@@ -278,13 +278,13 @@ static int brcmf_sdiod_request_data(stru + *(u8 *)data = sdio_f0_readb(func, addr, &ret); + } + break; +- case sizeof(u16): ++ case 2: + if (write) + sdio_writew(func, *(u16 *)data, addr, &ret); + else + *(u16 *)data = sdio_readw(func, addr, &ret); + break; +- case sizeof(u32): ++ case 4: + if (write) + sdio_writel(func, *(u32 *)data, addr, &ret); + else +@@ -368,7 +368,7 @@ brcmf_sdiod_set_sbaddr_window(struct brc + for (i = 0; i < 3; i++) { + err = brcmf_sdiod_regrw_helper(sdiodev, + SBSDIO_FUNC1_SBADDRLOW + i, +- sizeof(u8), &addr[i], true); ++ 1, &addr[i], true); + if (err) { + brcmf_err("failed at addr: 0x%0x\n", + SBSDIO_FUNC1_SBADDRLOW + i); +@@ -407,7 +407,7 @@ u8 brcmf_sdiod_regrb(struct brcmf_sdio_d + int retval; + + brcmf_dbg(SDIO, "addr:0x%08x\n", addr); +- retval = brcmf_sdiod_regrw_helper(sdiodev, addr, sizeof(data), &data, ++ retval = brcmf_sdiod_regrw_helper(sdiodev, addr, 1, &data, + false); + brcmf_dbg(SDIO, "data:0x%02x\n", data); + +@@ -423,10 +423,10 @@ u32 brcmf_sdiod_regrl(struct brcmf_sdio_ + int retval; + + brcmf_dbg(SDIO, "addr:0x%08x\n", addr); +- retval = brcmf_sdiod_addrprep(sdiodev, sizeof(data), &addr); ++ retval = brcmf_sdiod_addrprep(sdiodev, 4, &addr); + if (retval) + goto done; +- retval = brcmf_sdiod_regrw_helper(sdiodev, addr, sizeof(data), &data, ++ retval = brcmf_sdiod_regrw_helper(sdiodev, addr, 4, &data, + false); + brcmf_dbg(SDIO, "data:0x%08x\n", data); + +@@ -443,7 +443,7 @@ void brcmf_sdiod_regwb(struct brcmf_sdio + int retval; + + brcmf_dbg(SDIO, "addr:0x%08x, data:0x%02x\n", addr, data); +- retval = brcmf_sdiod_regrw_helper(sdiodev, addr, sizeof(data), &data, ++ retval = brcmf_sdiod_regrw_helper(sdiodev, addr, 1, &data, + true); + if (ret) + *ret = retval; +@@ -455,10 +455,10 @@ void brcmf_sdiod_regwl(struct brcmf_sdio + int retval; + + brcmf_dbg(SDIO, "addr:0x%08x, data:0x%08x\n", addr, data); +- retval = brcmf_sdiod_addrprep(sdiodev, sizeof(data), &addr); ++ retval = brcmf_sdiod_addrprep(sdiodev, 4, &addr); + if (retval) + goto done; +- retval = brcmf_sdiod_regrw_helper(sdiodev, addr, sizeof(data), &data, ++ retval = brcmf_sdiod_regrw_helper(sdiodev, addr, 4, &data, + true); + + done: +@@ -876,7 +876,7 @@ int brcmf_sdiod_abort(struct brcmf_sdio_ + + /* issue abort cmd52 command through F0 */ + brcmf_sdiod_request_data(sdiodev, SDIO_FUNC_0, SDIO_CCCR_ABORT, +- sizeof(t_func), &t_func, true); ++ 1, &t_func, true); + + brcmf_dbg(SDIO, "Exit\n"); + return 0; diff --git a/package/kernel/mac80211/patches/311-v4.16-0003-brcmfmac-Split-brcmf_sdiod_regrw_helper-up.patch b/package/kernel/mac80211/patches/311-v4.16-0003-brcmfmac-Split-brcmf_sdiod_regrw_helper-up.patch new file mode 100644 index 0000000000..b04465ae4f --- /dev/null +++ b/package/kernel/mac80211/patches/311-v4.16-0003-brcmfmac-Split-brcmf_sdiod_regrw_helper-up.patch @@ -0,0 +1,179 @@ +From 0fcc9fe0048422d66bb906eaa73cc75e11ff7345 Mon Sep 17 00:00:00 2001 +From: Ian Molton <ian@mnementh.co.uk> +Date: Mon, 13 Nov 2017 21:35:40 +0100 +Subject: [PATCH] brcmfmac: Split brcmf_sdiod_regrw_helper() up. + +This large function is concealing a LOT of obscure logic about +how the hardware functions. Time to split it up. + +This first patch splits the function into two pieces - read and write, +doing away with the rw flag in the process. + +Signed-off-by: Ian Molton <ian@mnementh.co.uk> +Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com> +Signed-off-by: Kalle Valo <kvalo@codeaurora.org> +--- + .../wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c | 94 +++++++++++++++++----- + 1 file changed, 73 insertions(+), 21 deletions(-) + +--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c ++++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c +@@ -302,8 +302,8 @@ static int brcmf_sdiod_request_data(stru + return ret; + } + +-static int brcmf_sdiod_regrw_helper(struct brcmf_sdio_dev *sdiodev, u32 addr, +- u8 regsz, void *data, bool write) ++static int brcmf_sdiod_reg_write(struct brcmf_sdio_dev *sdiodev, u32 addr, ++ u8 regsz, void *data) + { + u8 func; + s32 retry = 0; +@@ -324,13 +324,66 @@ static int brcmf_sdiod_regrw_helper(stru + func = SDIO_FUNC_1; + + do { +- if (!write) +- memset(data, 0, regsz); + /* for retry wait for 1 ms till bus get settled down */ + if (retry) + usleep_range(1000, 2000); ++ ++ ret = brcmf_sdiod_request_data(sdiodev, func, addr, regsz, ++ data, true); ++ ++ } while (ret != 0 && ret != -ENOMEDIUM && ++ retry++ < SDIOH_API_ACCESS_RETRY_LIMIT); ++ ++ if (ret == -ENOMEDIUM) { ++ brcmf_sdiod_change_state(sdiodev, BRCMF_SDIOD_NOMEDIUM); ++ } else if (ret != 0) { ++ /* ++ * SleepCSR register access can fail when ++ * waking up the device so reduce this noise ++ * in the logs. ++ */ ++ if (addr != SBSDIO_FUNC1_SLEEPCSR) ++ brcmf_err("failed to write data F%d@0x%05x, err: %d\n", ++ func, addr, ret); ++ else ++ brcmf_dbg(SDIO, "failed to write data F%d@0x%05x, err: %d\n", ++ func, addr, ret); ++ } ++ ++ return ret; ++} ++ ++static int brcmf_sdiod_reg_read(struct brcmf_sdio_dev *sdiodev, u32 addr, ++ u8 regsz, void *data) ++{ ++ u8 func; ++ s32 retry = 0; ++ int ret; ++ ++ if (sdiodev->state == BRCMF_SDIOD_NOMEDIUM) ++ return -ENOMEDIUM; ++ ++ /* ++ * figure out how to read the register based on address range ++ * 0x00 ~ 0x7FF: function 0 CCCR and FBR ++ * 0x10000 ~ 0x1FFFF: function 1 miscellaneous registers ++ * The rest: function 1 silicon backplane core registers ++ */ ++ if ((addr & ~REG_F0_REG_MASK) == 0) ++ func = SDIO_FUNC_0; ++ else ++ func = SDIO_FUNC_1; ++ ++ do { ++ memset(data, 0, regsz); ++ ++ /* for retry wait for 1 ms till bus get settled down */ ++ if (retry) ++ usleep_range(1000, 2000); ++ + ret = brcmf_sdiod_request_data(sdiodev, func, addr, regsz, +- data, write); ++ data, false); ++ + } while (ret != 0 && ret != -ENOMEDIUM && + retry++ < SDIOH_API_ACCESS_RETRY_LIMIT); + +@@ -343,12 +396,13 @@ static int brcmf_sdiod_regrw_helper(stru + * in the logs. + */ + if (addr != SBSDIO_FUNC1_SLEEPCSR) +- brcmf_err("failed to %s data F%d@0x%05x, err: %d\n", +- write ? "write" : "read", func, addr, ret); ++ brcmf_err("failed to read data F%d@0x%05x, err: %d\n", ++ func, addr, ret); + else +- brcmf_dbg(SDIO, "failed to %s data F%d@0x%05x, err: %d\n", +- write ? "write" : "read", func, addr, ret); ++ brcmf_dbg(SDIO, "failed to read data F%d@0x%05x, err: %d\n", ++ func, addr, ret); + } ++ + return ret; + } + +@@ -366,13 +420,11 @@ brcmf_sdiod_set_sbaddr_window(struct brc + addr[2] = (address >> 24) & SBSDIO_SBADDRHIGH_MASK; + + for (i = 0; i < 3; i++) { +- err = brcmf_sdiod_regrw_helper(sdiodev, +- SBSDIO_FUNC1_SBADDRLOW + i, +- 1, &addr[i], true); ++ brcmf_sdiod_regwb(sdiodev, SBSDIO_FUNC1_SBADDRLOW + i, addr[i], ++ &err); + if (err) { + brcmf_err("failed at addr: 0x%0x\n", + SBSDIO_FUNC1_SBADDRLOW + i); +- break; + } + } + +@@ -407,8 +459,7 @@ u8 brcmf_sdiod_regrb(struct brcmf_sdio_d + int retval; + + brcmf_dbg(SDIO, "addr:0x%08x\n", addr); +- retval = brcmf_sdiod_regrw_helper(sdiodev, addr, 1, &data, +- false); ++ retval = brcmf_sdiod_reg_read(sdiodev, addr, 1, &data); + brcmf_dbg(SDIO, "data:0x%02x\n", data); + + if (ret) +@@ -426,8 +477,9 @@ u32 brcmf_sdiod_regrl(struct brcmf_sdio_ + retval = brcmf_sdiod_addrprep(sdiodev, 4, &addr); + if (retval) + goto done; +- retval = brcmf_sdiod_regrw_helper(sdiodev, addr, 4, &data, +- false); ++ ++ retval = brcmf_sdiod_reg_read(sdiodev, addr, 4, &data); ++ + brcmf_dbg(SDIO, "data:0x%08x\n", data); + + done: +@@ -443,8 +495,8 @@ void brcmf_sdiod_regwb(struct brcmf_sdio + int retval; + + brcmf_dbg(SDIO, "addr:0x%08x, data:0x%02x\n", addr, data); +- retval = brcmf_sdiod_regrw_helper(sdiodev, addr, 1, &data, +- true); ++ retval = brcmf_sdiod_reg_write(sdiodev, addr, 1, &data); ++ + if (ret) + *ret = retval; + } +@@ -458,8 +510,8 @@ void brcmf_sdiod_regwl(struct brcmf_sdio + retval = brcmf_sdiod_addrprep(sdiodev, 4, &addr); + if (retval) + goto done; +- retval = brcmf_sdiod_regrw_helper(sdiodev, addr, 4, &data, +- true); ++ ++ retval = brcmf_sdiod_reg_write(sdiodev, addr, 4, &data); + + done: + if (ret) diff --git a/package/kernel/mac80211/patches/311-v4.16-0004-brcmfmac-Clean-up-brcmf_sdiod_set_sbaddr_window.patch b/package/kernel/mac80211/patches/311-v4.16-0004-brcmfmac-Clean-up-brcmf_sdiod_set_sbaddr_window.patch new file mode 100644 index 0000000000..1f0488a621 --- /dev/null +++ b/package/kernel/mac80211/patches/311-v4.16-0004-brcmfmac-Clean-up-brcmf_sdiod_set_sbaddr_window.patch @@ -0,0 +1,62 @@ +From b9b0d290bc0c90a5a262bc89c9d995988ea98669 Mon Sep 17 00:00:00 2001 +From: Ian Molton <ian@mnementh.co.uk> +Date: Mon, 13 Nov 2017 21:35:41 +0100 +Subject: [PATCH] brcmfmac: Clean up brcmf_sdiod_set_sbaddr_window() + +This function sets the address of the IO window used for +SDIO accesses onto the backplane of the chip. + +It currently uses 3 separate masks despite the full mask being +defined in the code already. Remove the separate masks and clean up. + +Signed-off-by: Ian Molton <ian@mnementh.co.uk> +Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com> +Signed-off-by: Kalle Valo <kvalo@codeaurora.org> +--- + .../net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c | 17 +++++------------ + drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.h | 3 --- + 2 files changed, 5 insertions(+), 15 deletions(-) + +--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c ++++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c +@@ -410,23 +410,16 @@ static int + brcmf_sdiod_set_sbaddr_window(struct brcmf_sdio_dev *sdiodev, u32 address) + { + int err = 0, i; +- u8 addr[3]; ++ u32 addr; + + if (sdiodev->state == BRCMF_SDIOD_NOMEDIUM) + return -ENOMEDIUM; + +- addr[0] = (address >> 8) & SBSDIO_SBADDRLOW_MASK; +- addr[1] = (address >> 16) & SBSDIO_SBADDRMID_MASK; +- addr[2] = (address >> 24) & SBSDIO_SBADDRHIGH_MASK; ++ addr = (address & SBSDIO_SBWINDOW_MASK) >> 8; + +- for (i = 0; i < 3; i++) { +- brcmf_sdiod_regwb(sdiodev, SBSDIO_FUNC1_SBADDRLOW + i, addr[i], +- &err); +- if (err) { +- brcmf_err("failed at addr: 0x%0x\n", +- SBSDIO_FUNC1_SBADDRLOW + i); +- } +- } ++ for (i = 0 ; i < 3 && !err ; i++, addr >>= 8) ++ brcmf_sdiod_regwb(sdiodev, SBSDIO_FUNC1_SBADDRLOW + i, ++ addr & 0xff, &err); + + return err; + } +--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.h ++++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.h +@@ -133,9 +133,6 @@ + + /* valid bits in SBSDIO_FUNC1_SBADDRxxx regs */ + +-#define SBSDIO_SBADDRLOW_MASK 0x80 /* Valid bits in SBADDRLOW */ +-#define SBSDIO_SBADDRMID_MASK 0xff /* Valid bits in SBADDRMID */ +-#define SBSDIO_SBADDRHIGH_MASK 0xffU /* Valid bits in SBADDRHIGH */ + /* Address bits from SBADDR regs */ + #define SBSDIO_SBWINDOW_MASK 0xffff8000 + diff --git a/package/kernel/mac80211/patches/311-v4.16-0005-brcmfmac-Remove-dead-IO-code.patch b/package/kernel/mac80211/patches/311-v4.16-0005-brcmfmac-Remove-dead-IO-code.patch new file mode 100644 index 0000000000..7d50ce923d --- /dev/null +++ b/package/kernel/mac80211/patches/311-v4.16-0005-brcmfmac-Remove-dead-IO-code.patch @@ -0,0 +1,91 @@ +From ea243e9077b3545f20d93884e91c50ac0719685a Mon Sep 17 00:00:00 2001 +From: Ian Molton <ian@mnementh.co.uk> +Date: Mon, 13 Nov 2017 21:35:42 +0100 +Subject: [PATCH] brcmfmac: Remove dead IO code + +The value passed to brcmf_sdiod_addrprep() is *always* 4 +remove this parameter and the unused code to handle it. + +Signed-off-by: Ian Molton <ian@mnementh.co.uk> +Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com> +Signed-off-by: Kalle Valo <kvalo@codeaurora.org> +--- + .../net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c | 18 ++++++++---------- + 1 file changed, 8 insertions(+), 10 deletions(-) + +--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c ++++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c +@@ -425,7 +425,7 @@ brcmf_sdiod_set_sbaddr_window(struct brc + } + + static int +-brcmf_sdiod_addrprep(struct brcmf_sdio_dev *sdiodev, uint width, u32 *addr) ++brcmf_sdiod_addrprep(struct brcmf_sdio_dev *sdiodev, u32 *addr) + { + uint bar0 = *addr & ~SBSDIO_SB_OFT_ADDR_MASK; + int err = 0; +@@ -439,9 +439,7 @@ brcmf_sdiod_addrprep(struct brcmf_sdio_d + } + + *addr &= SBSDIO_SB_OFT_ADDR_MASK; +- +- if (width == 4) +- *addr |= SBSDIO_SB_ACCESS_2_4B_FLAG; ++ *addr |= SBSDIO_SB_ACCESS_2_4B_FLAG; + + return 0; + } +@@ -467,7 +465,7 @@ u32 brcmf_sdiod_regrl(struct brcmf_sdio_ + int retval; + + brcmf_dbg(SDIO, "addr:0x%08x\n", addr); +- retval = brcmf_sdiod_addrprep(sdiodev, 4, &addr); ++ retval = brcmf_sdiod_addrprep(sdiodev, &addr); + if (retval) + goto done; + +@@ -500,7 +498,7 @@ void brcmf_sdiod_regwl(struct brcmf_sdio + int retval; + + brcmf_dbg(SDIO, "addr:0x%08x, data:0x%08x\n", addr, data); +- retval = brcmf_sdiod_addrprep(sdiodev, 4, &addr); ++ retval = brcmf_sdiod_addrprep(sdiodev, &addr); + if (retval) + goto done; + +@@ -736,7 +734,7 @@ int brcmf_sdiod_recv_pkt(struct brcmf_sd + + brcmf_dbg(SDIO, "addr = 0x%x, size = %d\n", addr, pkt->len); + +- err = brcmf_sdiod_addrprep(sdiodev, 4, &addr); ++ err = brcmf_sdiod_addrprep(sdiodev, &addr); + if (err) + goto done; + +@@ -757,7 +755,7 @@ int brcmf_sdiod_recv_chain(struct brcmf_ + brcmf_dbg(SDIO, "addr = 0x%x, size = %d\n", + addr, pktq->qlen); + +- err = brcmf_sdiod_addrprep(sdiodev, 4, &addr); ++ err = brcmf_sdiod_addrprep(sdiodev, &addr); + if (err) + goto done; + +@@ -801,7 +799,7 @@ int brcmf_sdiod_send_buf(struct brcmf_sd + + memcpy(mypkt->data, buf, nbytes); + +- err = brcmf_sdiod_addrprep(sdiodev, 4, &addr); ++ err = brcmf_sdiod_addrprep(sdiodev, &addr); + + if (!err) + err = brcmf_sdiod_buffrw(sdiodev, SDIO_FUNC_2, true, addr, +@@ -821,7 +819,7 @@ int brcmf_sdiod_send_pkt(struct brcmf_sd + + brcmf_dbg(SDIO, "addr = 0x%x, size = %d\n", addr, pktq->qlen); + +- err = brcmf_sdiod_addrprep(sdiodev, 4, &addr); ++ err = brcmf_sdiod_addrprep(sdiodev, &addr); + if (err) + return err; + diff --git a/package/kernel/mac80211/patches/311-v4.16-0006-brcmfmac-Remove-bandaid-for-SleepCSR.patch b/package/kernel/mac80211/patches/311-v4.16-0006-brcmfmac-Remove-bandaid-for-SleepCSR.patch new file mode 100644 index 0000000000..fef29fc715 --- /dev/null +++ b/package/kernel/mac80211/patches/311-v4.16-0006-brcmfmac-Remove-bandaid-for-SleepCSR.patch @@ -0,0 +1,61 @@ +From 4a3338ba2a7421db2260159cca5a27bd2ee36d00 Mon Sep 17 00:00:00 2001 +From: Ian Molton <ian@mnementh.co.uk> +Date: Mon, 13 Nov 2017 21:35:43 +0100 +Subject: [PATCH] brcmfmac: Remove bandaid for SleepCSR + +Register access code is not the place for band-aid fixes like this. +If this is a genuine problem, it should be fixed further up in the driver +stack. + +Signed-off-by: Ian Molton <ian@mnementh.co.uk> +Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com> +Signed-off-by: Kalle Valo <kvalo@codeaurora.org> +--- + .../wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c | 28 +--------------------- + 1 file changed, 1 insertion(+), 27 deletions(-) + +--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c ++++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c +@@ -334,21 +334,8 @@ static int brcmf_sdiod_reg_write(struct + } while (ret != 0 && ret != -ENOMEDIUM && + retry++ < SDIOH_API_ACCESS_RETRY_LIMIT); + +- if (ret == -ENOMEDIUM) { ++ if (ret == -ENOMEDIUM) + brcmf_sdiod_change_state(sdiodev, BRCMF_SDIOD_NOMEDIUM); +- } else if (ret != 0) { +- /* +- * SleepCSR register access can fail when +- * waking up the device so reduce this noise +- * in the logs. +- */ +- if (addr != SBSDIO_FUNC1_SLEEPCSR) +- brcmf_err("failed to write data F%d@0x%05x, err: %d\n", +- func, addr, ret); +- else +- brcmf_dbg(SDIO, "failed to write data F%d@0x%05x, err: %d\n", +- func, addr, ret); +- } + + return ret; + } +@@ -389,19 +376,6 @@ static int brcmf_sdiod_reg_read(struct b + + if (ret == -ENOMEDIUM) + brcmf_sdiod_change_state(sdiodev, BRCMF_SDIOD_NOMEDIUM); +- else if (ret != 0) { +- /* +- * SleepCSR register access can fail when +- * waking up the device so reduce this noise +- * in the logs. +- */ +- if (addr != SBSDIO_FUNC1_SLEEPCSR) +- brcmf_err("failed to read data F%d@0x%05x, err: %d\n", +- func, addr, ret); +- else +- brcmf_dbg(SDIO, "failed to read data F%d@0x%05x, err: %d\n", +- func, addr, ret); +- } + + return ret; + } diff --git a/package/kernel/mac80211/patches/311-v4.16-0007-brcmfmac-Remove-brcmf_sdiod_request_data.patch b/package/kernel/mac80211/patches/311-v4.16-0007-brcmfmac-Remove-brcmf_sdiod_request_data.patch new file mode 100644 index 0000000000..beaa4d3a29 --- /dev/null +++ b/package/kernel/mac80211/patches/311-v4.16-0007-brcmfmac-Remove-brcmf_sdiod_request_data.patch @@ -0,0 +1,344 @@ +From 993a98a42e6e790fd0d2bf7d55a031513c7ba7dc Mon Sep 17 00:00:00 2001 +From: Ian Molton <ian@mnementh.co.uk> +Date: Mon, 13 Nov 2017 21:35:44 +0100 +Subject: [PATCH] brcmfmac: Remove brcmf_sdiod_request_data() + +This function is obfuscating how IO works on this chip. Remove it +and push its logic into brcmf_sdiod_reg_{read,write}(). + +Handling of -ENOMEDIUM is altered, but as that's pretty much broken anyway +we can ignore that. + +Signed-off-by: Ian Molton <ian@mnementh.co.uk> +Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com> +Signed-off-by: Kalle Valo <kvalo@codeaurora.org> +--- + .../wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c | 237 ++++++++------------- + .../wireless/broadcom/brcm80211/brcmfmac/sdio.h | 2 +- + 2 files changed, 87 insertions(+), 152 deletions(-) + +--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c ++++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c +@@ -230,6 +230,43 @@ void brcmf_sdiod_change_state(struct brc + sdiodev->state = state; + } + ++static int brcmf_sdiod_set_sbaddr_window(struct brcmf_sdio_dev *sdiodev, ++ u32 address) ++{ ++ int err = 0, i; ++ u32 addr; ++ ++ if (sdiodev->state == BRCMF_SDIOD_NOMEDIUM) ++ return -ENOMEDIUM; ++ ++ addr = (address & SBSDIO_SBWINDOW_MASK) >> 8; ++ ++ for (i = 0 ; i < 3 && !err ; i++, addr >>= 8) ++ brcmf_sdiod_regwb(sdiodev, SBSDIO_FUNC1_SBADDRLOW + i, ++ addr & 0xff, &err); ++ ++ return err; ++} ++ ++static int brcmf_sdiod_addrprep(struct brcmf_sdio_dev *sdiodev, u32 *addr) ++{ ++ uint bar0 = *addr & ~SBSDIO_SB_OFT_ADDR_MASK; ++ int err = 0; ++ ++ if (bar0 != sdiodev->sbwad) { ++ err = brcmf_sdiod_set_sbaddr_window(sdiodev, bar0); ++ if (err) ++ return err; ++ ++ sdiodev->sbwad = bar0; ++ } ++ ++ *addr &= SBSDIO_SB_OFT_ADDR_MASK; ++ *addr |= SBSDIO_SB_ACCESS_2_4B_FLAG; ++ ++ return 0; ++} ++ + static inline int brcmf_sdiod_f0_writeb(struct sdio_func *func, u8 byte, + uint regaddr) + { +@@ -249,173 +286,84 @@ static inline int brcmf_sdiod_f0_writeb( + return err_ret; + } + +-static int brcmf_sdiod_request_data(struct brcmf_sdio_dev *sdiodev, u8 fn, +- u32 addr, u8 regsz, void *data, bool write) +-{ +- struct sdio_func *func; +- int ret = -EINVAL; +- +- brcmf_dbg(SDIO, "rw=%d, func=%d, addr=0x%05x, nbytes=%d\n", +- write, fn, addr, regsz); +- +- /* only allow byte access on F0 */ +- if (WARN_ON(regsz > 1 && !fn)) +- return -EINVAL; +- func = sdiodev->func[fn]; +- +- switch (regsz) { +- case 1: +- if (write) { +- if (fn) +- sdio_writeb(func, *(u8 *)data, addr, &ret); +- else +- ret = brcmf_sdiod_f0_writeb(func, *(u8 *)data, +- addr); +- } else { +- if (fn) +- *(u8 *)data = sdio_readb(func, addr, &ret); +- else +- *(u8 *)data = sdio_f0_readb(func, addr, &ret); +- } +- break; +- case 2: +- if (write) +- sdio_writew(func, *(u16 *)data, addr, &ret); +- else +- *(u16 *)data = sdio_readw(func, addr, &ret); +- break; +- case 4: +- if (write) +- sdio_writel(func, *(u32 *)data, addr, &ret); +- else +- *(u32 *)data = sdio_readl(func, addr, &ret); +- break; +- default: +- brcmf_err("invalid size: %d\n", regsz); +- break; +- } +- +- if (ret) +- brcmf_dbg(SDIO, "failed to %s data F%d@0x%05x, err: %d\n", +- write ? "write" : "read", fn, addr, ret); +- +- return ret; +-} +- + static int brcmf_sdiod_reg_write(struct brcmf_sdio_dev *sdiodev, u32 addr, + u8 regsz, void *data) + { +- u8 func; +- s32 retry = 0; + int ret; + +- if (sdiodev->state == BRCMF_SDIOD_NOMEDIUM) +- return -ENOMEDIUM; +- + /* + * figure out how to read the register based on address range + * 0x00 ~ 0x7FF: function 0 CCCR and FBR + * 0x10000 ~ 0x1FFFF: function 1 miscellaneous registers + * The rest: function 1 silicon backplane core registers ++ * f0 writes must be bytewise + */ +- if ((addr & ~REG_F0_REG_MASK) == 0) +- func = SDIO_FUNC_0; +- else +- func = SDIO_FUNC_1; + +- do { +- /* for retry wait for 1 ms till bus get settled down */ +- if (retry) +- usleep_range(1000, 2000); +- +- ret = brcmf_sdiod_request_data(sdiodev, func, addr, regsz, +- data, true); +- +- } while (ret != 0 && ret != -ENOMEDIUM && +- retry++ < SDIOH_API_ACCESS_RETRY_LIMIT); ++ if ((addr & ~REG_F0_REG_MASK) == 0) { ++ if (WARN_ON(regsz > 1)) ++ return -EINVAL; ++ ret = brcmf_sdiod_f0_writeb(sdiodev->func[0], ++ *(u8 *)data, addr); ++ } else { ++ switch (regsz) { ++ case 1: ++ sdio_writeb(sdiodev->func[1], *(u8 *)data, addr, &ret); ++ break; ++ case 4: ++ ret = brcmf_sdiod_addrprep(sdiodev, &addr); ++ if (ret) ++ goto done; + +- if (ret == -ENOMEDIUM) +- brcmf_sdiod_change_state(sdiodev, BRCMF_SDIOD_NOMEDIUM); ++ sdio_writel(sdiodev->func[1], *(u32 *)data, addr, &ret); ++ break; ++ default: ++ WARN(1, "Invalid reg size\n"); ++ ret = -EINVAL; ++ break; ++ } ++ } + ++done: + return ret; + } + + static int brcmf_sdiod_reg_read(struct brcmf_sdio_dev *sdiodev, u32 addr, + u8 regsz, void *data) + { +- u8 func; +- s32 retry = 0; + int ret; + +- if (sdiodev->state == BRCMF_SDIOD_NOMEDIUM) +- return -ENOMEDIUM; +- + /* + * figure out how to read the register based on address range + * 0x00 ~ 0x7FF: function 0 CCCR and FBR + * 0x10000 ~ 0x1FFFF: function 1 miscellaneous registers + * The rest: function 1 silicon backplane core registers ++ * f0 reads must be bytewise + */ +- if ((addr & ~REG_F0_REG_MASK) == 0) +- func = SDIO_FUNC_0; +- else +- func = SDIO_FUNC_1; +- +- do { +- memset(data, 0, regsz); +- +- /* for retry wait for 1 ms till bus get settled down */ +- if (retry) +- usleep_range(1000, 2000); +- +- ret = brcmf_sdiod_request_data(sdiodev, func, addr, regsz, +- data, false); +- +- } while (ret != 0 && ret != -ENOMEDIUM && +- retry++ < SDIOH_API_ACCESS_RETRY_LIMIT); +- +- if (ret == -ENOMEDIUM) +- brcmf_sdiod_change_state(sdiodev, BRCMF_SDIOD_NOMEDIUM); +- +- return ret; +-} +- +-static int +-brcmf_sdiod_set_sbaddr_window(struct brcmf_sdio_dev *sdiodev, u32 address) +-{ +- int err = 0, i; +- u32 addr; +- +- if (sdiodev->state == BRCMF_SDIOD_NOMEDIUM) +- return -ENOMEDIUM; +- +- addr = (address & SBSDIO_SBWINDOW_MASK) >> 8; +- +- for (i = 0 ; i < 3 && !err ; i++, addr >>= 8) +- brcmf_sdiod_regwb(sdiodev, SBSDIO_FUNC1_SBADDRLOW + i, +- addr & 0xff, &err); +- +- return err; +-} +- +-static int +-brcmf_sdiod_addrprep(struct brcmf_sdio_dev *sdiodev, u32 *addr) +-{ +- uint bar0 = *addr & ~SBSDIO_SB_OFT_ADDR_MASK; +- int err = 0; +- +- if (bar0 != sdiodev->sbwad) { +- err = brcmf_sdiod_set_sbaddr_window(sdiodev, bar0); +- if (err) +- return err; ++ if ((addr & ~REG_F0_REG_MASK) == 0) { ++ if (WARN_ON(regsz > 1)) ++ return -EINVAL; ++ *(u8 *)data = sdio_f0_readb(sdiodev->func[0], addr, &ret); ++ } else { ++ switch (regsz) { ++ case 1: ++ *(u8 *)data = sdio_readb(sdiodev->func[1], addr, &ret); ++ break; ++ case 4: ++ ret = brcmf_sdiod_addrprep(sdiodev, &addr); ++ if (ret) ++ goto done; + +- sdiodev->sbwad = bar0; ++ *(u32 *)data = sdio_readl(sdiodev->func[1], addr, &ret); ++ break; ++ default: ++ WARN(1, "Invalid reg size\n"); ++ ret = -EINVAL; ++ break; ++ } + } + +- *addr &= SBSDIO_SB_OFT_ADDR_MASK; +- *addr |= SBSDIO_SB_ACCESS_2_4B_FLAG; +- +- return 0; ++done: ++ return ret; + } + + u8 brcmf_sdiod_regrb(struct brcmf_sdio_dev *sdiodev, u32 addr, int *ret) +@@ -439,15 +387,9 @@ u32 brcmf_sdiod_regrl(struct brcmf_sdio_ + int retval; + + brcmf_dbg(SDIO, "addr:0x%08x\n", addr); +- retval = brcmf_sdiod_addrprep(sdiodev, &addr); +- if (retval) +- goto done; +- + retval = brcmf_sdiod_reg_read(sdiodev, addr, 4, &data); +- + brcmf_dbg(SDIO, "data:0x%08x\n", data); + +-done: + if (ret) + *ret = retval; + +@@ -472,13 +414,8 @@ void brcmf_sdiod_regwl(struct brcmf_sdio + int retval; + + brcmf_dbg(SDIO, "addr:0x%08x, data:0x%08x\n", addr, data); +- retval = brcmf_sdiod_addrprep(sdiodev, &addr); +- if (retval) +- goto done; +- + retval = brcmf_sdiod_reg_write(sdiodev, addr, 4, &data); + +-done: + if (ret) + *ret = retval; + } +@@ -886,14 +823,12 @@ brcmf_sdiod_ramrw(struct brcmf_sdio_dev + return bcmerror; + } + +-int brcmf_sdiod_abort(struct brcmf_sdio_dev *sdiodev, uint fn) ++int brcmf_sdiod_abort(struct brcmf_sdio_dev *sdiodev, u8 fn) + { +- char t_func = (char)fn; + brcmf_dbg(SDIO, "Enter\n"); + + /* issue abort cmd52 command through F0 */ +- brcmf_sdiod_request_data(sdiodev, SDIO_FUNC_0, SDIO_CCCR_ABORT, +- 1, &t_func, true); ++ brcmf_sdiod_reg_write(sdiodev, SDIO_CCCR_ABORT, 1, &fn); + + brcmf_dbg(SDIO, "Exit\n"); + return 0; +--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.h ++++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.h +@@ -339,7 +339,7 @@ int brcmf_sdiod_ramrw(struct brcmf_sdio_ + u8 *data, uint size); + + /* Issue an abort to the specified function */ +-int brcmf_sdiod_abort(struct brcmf_sdio_dev *sdiodev, uint fn); ++int brcmf_sdiod_abort(struct brcmf_sdio_dev *sdiodev, u8 fn); + void brcmf_sdiod_sgtable_alloc(struct brcmf_sdio_dev *sdiodev); + void brcmf_sdiod_change_state(struct brcmf_sdio_dev *sdiodev, + enum brcmf_sdiod_state state); diff --git a/package/kernel/mac80211/patches/311-v4.16-0008-brcmfmac-Fix-asymmetric-IO-functions.patch b/package/kernel/mac80211/patches/311-v4.16-0008-brcmfmac-Fix-asymmetric-IO-functions.patch new file mode 100644 index 0000000000..bcf59722b2 --- /dev/null +++ b/package/kernel/mac80211/patches/311-v4.16-0008-brcmfmac-Fix-asymmetric-IO-functions.patch @@ -0,0 +1,28 @@ +From 3508a056a1f45d95c874fc9af8748bf4229432b6 Mon Sep 17 00:00:00 2001 +From: Ian Molton <ian@mnementh.co.uk> +Date: Mon, 13 Nov 2017 21:35:45 +0100 +Subject: [PATCH] brcmfmac: Fix asymmetric IO functions. + +Unlikely to be a problem, but brcmf_sdiod_regrl() is +not symmetric with brcmf_sdiod_regrb() in initializing +the data value on stack. Fix that. + +Signed-off-by: Ian Molton <ian@mnementh.co.uk> +[arend: reword the commit message a bit] +Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com> +Signed-off-by: Kalle Valo <kvalo@codeaurora.org> +--- + drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c ++++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c +@@ -383,7 +383,7 @@ u8 brcmf_sdiod_regrb(struct brcmf_sdio_d + + u32 brcmf_sdiod_regrl(struct brcmf_sdio_dev *sdiodev, u32 addr, int *ret) + { +- u32 data = 0; ++ u32 data; + int retval; + + brcmf_dbg(SDIO, "addr:0x%08x\n", addr); diff --git a/package/kernel/mac80211/patches/311-v4.16-0009-brcmfmac-Remove-noisy-debugging.patch b/package/kernel/mac80211/patches/311-v4.16-0009-brcmfmac-Remove-noisy-debugging.patch new file mode 100644 index 0000000000..9a570450a7 --- /dev/null +++ b/package/kernel/mac80211/patches/311-v4.16-0009-brcmfmac-Remove-noisy-debugging.patch @@ -0,0 +1,53 @@ +From 12e3e74e2820e11d91ee44fd3a190cd80d109faa Mon Sep 17 00:00:00 2001 +From: Ian Molton <ian@mnementh.co.uk> +Date: Mon, 13 Nov 2017 21:35:46 +0100 +Subject: [PATCH] brcmfmac: Remove noisy debugging. + +If you need debugging this low level, you're doing something wrong. +Remove these noisy debug statements so the code is more readable. + +Signed-off-by: Ian Molton <ian@mnementh.co.uk> +Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com> +Signed-off-by: Kalle Valo <kvalo@codeaurora.org> +--- + drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c | 6 ------ + 1 file changed, 6 deletions(-) + +--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c ++++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c +@@ -371,9 +371,7 @@ u8 brcmf_sdiod_regrb(struct brcmf_sdio_d + u8 data; + int retval; + +- brcmf_dbg(SDIO, "addr:0x%08x\n", addr); + retval = brcmf_sdiod_reg_read(sdiodev, addr, 1, &data); +- brcmf_dbg(SDIO, "data:0x%02x\n", data); + + if (ret) + *ret = retval; +@@ -386,9 +384,7 @@ u32 brcmf_sdiod_regrl(struct brcmf_sdio_ + u32 data; + int retval; + +- brcmf_dbg(SDIO, "addr:0x%08x\n", addr); + retval = brcmf_sdiod_reg_read(sdiodev, addr, 4, &data); +- brcmf_dbg(SDIO, "data:0x%08x\n", data); + + if (ret) + *ret = retval; +@@ -401,7 +397,6 @@ void brcmf_sdiod_regwb(struct brcmf_sdio + { + int retval; + +- brcmf_dbg(SDIO, "addr:0x%08x, data:0x%02x\n", addr, data); + retval = brcmf_sdiod_reg_write(sdiodev, addr, 1, &data); + + if (ret) +@@ -413,7 +408,6 @@ void brcmf_sdiod_regwl(struct brcmf_sdio + { + int retval; + +- brcmf_dbg(SDIO, "addr:0x%08x, data:0x%08x\n", addr, data); + retval = brcmf_sdiod_reg_write(sdiodev, addr, 4, &data); + + if (ret) diff --git a/package/kernel/mac80211/patches/311-v4.16-0010-brcmfmac-Rename-bcmerror-to-err.patch b/package/kernel/mac80211/patches/311-v4.16-0010-brcmfmac-Rename-bcmerror-to-err.patch new file mode 100644 index 0000000000..dd153fe6cc --- /dev/null +++ b/package/kernel/mac80211/patches/311-v4.16-0010-brcmfmac-Rename-bcmerror-to-err.patch @@ -0,0 +1,58 @@ +From dd8a2d49e4ed321ab8e7b679499c3a98ccc5ca24 Mon Sep 17 00:00:00 2001 +From: Ian Molton <ian@mnementh.co.uk> +Date: Mon, 13 Nov 2017 21:35:47 +0100 +Subject: [PATCH] brcmfmac: Rename bcmerror to err + +Trivial cleanup of nasty variable name + +Signed-off-by: Ian Molton <ian@mnementh.co.uk> +Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com> +Signed-off-by: Kalle Valo <kvalo@codeaurora.org> +--- + drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c | 14 +++++++------- + 1 file changed, 7 insertions(+), 7 deletions(-) + +--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c ++++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c +@@ -746,7 +746,7 @@ int + brcmf_sdiod_ramrw(struct brcmf_sdio_dev *sdiodev, bool write, u32 address, + u8 *data, uint size) + { +- int bcmerror = 0; ++ int err = 0; + struct sk_buff *pkt; + u32 sdaddr; + uint dsize; +@@ -771,8 +771,8 @@ brcmf_sdiod_ramrw(struct brcmf_sdio_dev + /* Do the transfer(s) */ + while (size) { + /* Set the backplane window to include the start address */ +- bcmerror = brcmf_sdiod_set_sbaddr_window(sdiodev, address); +- if (bcmerror) ++ err = brcmf_sdiod_set_sbaddr_window(sdiodev, address); ++ if (err) + break; + + brcmf_dbg(SDIO, "%s %d bytes at offset 0x%08x in window 0x%08x\n", +@@ -785,9 +785,9 @@ brcmf_sdiod_ramrw(struct brcmf_sdio_dev + skb_put(pkt, dsize); + if (write) + memcpy(pkt->data, data, dsize); +- bcmerror = brcmf_sdiod_buffrw(sdiodev, SDIO_FUNC_1, write, +- sdaddr, pkt); +- if (bcmerror) { ++ err = brcmf_sdiod_buffrw(sdiodev, SDIO_FUNC_1, write, sdaddr, ++ pkt); ++ if (err) { + brcmf_err("membytes transfer failed\n"); + break; + } +@@ -814,7 +814,7 @@ brcmf_sdiod_ramrw(struct brcmf_sdio_dev + + sdio_release_host(sdiodev->func[1]); + +- return bcmerror; ++ return err; + } + + int brcmf_sdiod_abort(struct brcmf_sdio_dev *sdiodev, u8 fn) |