diff options
Diffstat (limited to 'package/kernel/mac80211/patches/314-v4.16-0005-brcmfmac-Remove-func0-from-function-array.patch')
| -rw-r--r-- | package/kernel/mac80211/patches/314-v4.16-0005-brcmfmac-Remove-func0-from-function-array.patch | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/314-v4.16-0005-brcmfmac-Remove-func0-from-function-array.patch b/package/kernel/mac80211/patches/314-v4.16-0005-brcmfmac-Remove-func0-from-function-array.patch new file mode 100644 index 0000000000..715b865619 --- /dev/null +++ b/package/kernel/mac80211/patches/314-v4.16-0005-brcmfmac-Remove-func0-from-function-array.patch @@ -0,0 +1,111 @@ +From 99d7b6fdfc8c24052c92c720330d31ca1332f996 Mon Sep 17 00:00:00 2001 +From: Ian Molton <ian@mnementh.co.uk> +Date: Tue, 19 Dec 2017 13:47:11 +0100 +Subject: [PATCH] brcmfmac: Remove func0 from function array + +func0 is not provided by the mmc stack as a function when probing. +Instead providing specific access functions to read/write it. + +This prepares for a patch to remove the actual array entry itself. + +Signed-off-by: Ian Molton <ian@mnementh.co.uk> +Acked-by: Arend van Spriel <arend.vanspriel@broadcom.com> +[arend: rephrased the commit message] +[arend: removed unrelated comment for which separate patch is warranted] +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 | 5 +---- + drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c | 7 ++++--- + drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.h | 13 ++++++------- + 3 files changed, 11 insertions(+), 14 deletions(-) + +--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c ++++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/bcmsdh.c +@@ -1022,8 +1022,7 @@ static int brcmf_ops_sdio_probe(struct s + /* store refs to functions used. mmc_card does + * not hold the F0 function pointer. + */ +- sdiodev->func[0] = kmemdup(func, sizeof(*func), GFP_KERNEL); +- sdiodev->func[0]->num = 0; ++ sdiodev->func[0] = NULL; + sdiodev->func[1] = func->card->sdio_func[0]; + sdiodev->func[2] = func; + +@@ -1049,7 +1048,6 @@ static int brcmf_ops_sdio_probe(struct s + fail: + dev_set_drvdata(&func->dev, NULL); + dev_set_drvdata(&sdiodev->func[1]->dev, NULL); +- kfree(sdiodev->func[0]); + kfree(sdiodev); + kfree(bus_if); + return err; +@@ -1082,7 +1080,6 @@ static void brcmf_ops_sdio_remove(struct + dev_set_drvdata(&sdiodev->func[2]->dev, NULL); + + kfree(bus_if); +- kfree(sdiodev->func[0]); + kfree(sdiodev); + } + +--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c ++++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c +@@ -3771,9 +3771,10 @@ static u32 brcmf_sdio_buscore_read32(voi + u32 val, rev; + + val = brcmf_sdiod_readl(sdiodev, addr, NULL); +- if ((sdiodev->func[0]->device == SDIO_DEVICE_ID_BROADCOM_4335_4339 || +- sdiodev->func[0]->device == SDIO_DEVICE_ID_BROADCOM_4339) && +- addr == CORE_CC_REG(SI_ENUM_BASE, chipid)) { ++ ++ if ((sdiodev->func[1]->device == SDIO_DEVICE_ID_BROADCOM_4335_4339 || ++ sdiodev->func[1]->device == SDIO_DEVICE_ID_BROADCOM_4339) && ++ addr == CORE_CC_REG(SI_ENUM_BASE, chipid)) { + rev = (val & CID_REV_MASK) >> CID_REV_SHIFT; + if (rev >= 2) { + val &= ~CID_ID_MASK; +--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.h ++++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.h +@@ -21,7 +21,9 @@ + #include <linux/firmware.h> + #include "firmware.h" + +-#define SDIO_FUNC_0 0 ++/* Maximum number of I/O funcs */ ++#define NUM_SDIO_FUNCS 3 ++ + #define SDIO_FUNC_1 1 + #define SDIO_FUNC_2 2 + +@@ -39,9 +41,6 @@ + #define INTR_STATUS_FUNC1 0x2 + #define INTR_STATUS_FUNC2 0x4 + +-/* Maximum number of I/O funcs */ +-#define SDIOD_MAX_IOFUNCS 7 +- + /* mask of register map */ + #define REG_F0_REG_MASK 0x7FF + #define REG_F1_MISC_MASK 0x1FFFF +@@ -175,7 +174,7 @@ struct brcmf_sdio; + struct brcmf_sdiod_freezer; + + struct brcmf_sdio_dev { +- struct sdio_func *func[SDIO_MAX_FUNCS]; ++ struct sdio_func *func[NUM_SDIO_FUNCS]; + u8 num_funcs; /* Supported funcs on client */ + u32 sbwad; /* Save backplane window address */ + struct brcmf_core *cc_core; /* chipcommon core info struct */ +@@ -297,10 +296,10 @@ void brcmf_sdiod_intr_unregister(struct + /* SDIO device register access interface */ + /* Accessors for SDIO Function 0 */ + #define brcmf_sdiod_func0_rb(sdiodev, addr, r) \ +- sdio_f0_readb((sdiodev)->func[0], (addr), (r)) ++ sdio_f0_readb((sdiodev)->func[1], (addr), (r)) + + #define brcmf_sdiod_func0_wb(sdiodev, addr, v, ret) \ +- sdio_f0_writeb((sdiodev)->func[0], (v), (addr), (ret)) ++ sdio_f0_writeb((sdiodev)->func[1], (v), (addr), (ret)) + + /* Accessors for SDIO Function 1 */ + #define brcmf_sdiod_readb(sdiodev, addr, r) \ |