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From e4c05fc3c0a6c79376f72f17d08014477e962ada Mon Sep 17 00:00:00 2001
From: Ian Molton <ian@mnementh.co.uk>
Date: Fri, 8 Dec 2017 13:10:33 +0100
Subject: [PATCH] brcmfmac: Cleanup offsetof()
Create a macro to make the code a bit more readable, whilst we're stuck
with using struct element offsets as register offsets.
Signed-off-by: Ian Molton <ian@mnementh.co.uk>
Reviewed-by: Arend van Spriel <arend.vanspriel@broadcom.com>
[arend: rename macro to SD_REG]
Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
---
.../wireless/broadcom/brcm80211/brcmfmac/sdio.c | 35 +++++++++-------------
1 file changed, 14 insertions(+), 21 deletions(-)
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
@@ -161,6 +161,8 @@ struct rte_console {
#define CORE_BUS_REG(base, field) \
(base + offsetof(struct sdpcmd_regs, field))
+#define SD_REG(field) \
+ (offsetof(struct sdpcmd_regs, field))
/* SDIO function 1 register CHIPCLKCSR */
/* Force ALP request to backplane */
@@ -1087,12 +1089,10 @@ static u32 brcmf_sdio_hostmail(struct br
brcmf_dbg(SDIO, "Enter\n");
/* Read mailbox data and ack that we did so */
- ret = r_sdreg32(bus, &hmb_data,
- offsetof(struct sdpcmd_regs, tohostmailboxdata));
+ ret = r_sdreg32(bus, &hmb_data, SD_REG(tohostmailboxdata));
if (ret == 0)
- w_sdreg32(bus, SMB_INT_ACK,
- offsetof(struct sdpcmd_regs, tosbmailbox));
+ w_sdreg32(bus, SMB_INT_ACK, SD_REG(tosbmailbox));
bus->sdcnt.f1regdata += 2;
/* dongle indicates the firmware has halted/crashed */
@@ -1207,8 +1207,7 @@ static void brcmf_sdio_rxfail(struct brc
if (rtx) {
bus->sdcnt.rxrtx++;
- err = w_sdreg32(bus, SMB_NAK,
- offsetof(struct sdpcmd_regs, tosbmailbox));
+ err = w_sdreg32(bus, SMB_NAK, SD_REG(tosbmailbox));
bus->sdcnt.f1regdata++;
if (err == 0)
@@ -2333,9 +2332,7 @@ static uint brcmf_sdio_sendfromq(struct
if (!bus->intr) {
/* Check device status, signal pending interrupt */
sdio_claim_host(bus->sdiodev->func[1]);
- ret = r_sdreg32(bus, &intstatus,
- offsetof(struct sdpcmd_regs,
- intstatus));
+ ret = r_sdreg32(bus, &intstatus, SD_REG(intstatus));
sdio_release_host(bus->sdiodev->func[1]);
bus->sdcnt.f2txdata++;
if (ret != 0)
@@ -2441,7 +2438,7 @@ static void brcmf_sdio_bus_stop(struct d
brcmf_sdio_bus_sleep(bus, false, false);
/* Disable and clear interrupts at the chip level also */
- w_sdreg32(bus, 0, offsetof(struct sdpcmd_regs, hostintmask));
+ w_sdreg32(bus, 0, SD_REG(hostintmask));
local_hostintmask = bus->hostintmask;
bus->hostintmask = 0;
@@ -2460,8 +2457,7 @@ static void brcmf_sdio_bus_stop(struct d
sdio_disable_func(sdiodev->func[SDIO_FUNC_2]);
/* Clear any pending interrupts now that F2 is disabled */
- w_sdreg32(bus, local_hostintmask,
- offsetof(struct sdpcmd_regs, intstatus));
+ w_sdreg32(bus, local_hostintmask, SD_REG(intstatus));
sdio_release_host(sdiodev->func[1]);
}
@@ -2507,7 +2503,7 @@ static int brcmf_sdio_intr_rstatus(struc
int ret;
buscore = brcmf_chip_get_core(bus->ci, BCMA_CORE_SDIO_DEV);
- addr = buscore->base + offsetof(struct sdpcmd_regs, intstatus);
+ addr = buscore->base + SD_REG(intstatus);
val = brcmf_sdiod_readl(bus->sdiodev, addr, &ret);
bus->sdcnt.f1regdata++;
@@ -2584,11 +2580,9 @@ static void brcmf_sdio_dpc(struct brcmf_
*/
if (intstatus & I_HMB_FC_CHANGE) {
intstatus &= ~I_HMB_FC_CHANGE;
- err = w_sdreg32(bus, I_HMB_FC_CHANGE,
- offsetof(struct sdpcmd_regs, intstatus));
+ err = w_sdreg32(bus, I_HMB_FC_CHANGE, SD_REG(intstatus));
- err = r_sdreg32(bus, &newstatus,
- offsetof(struct sdpcmd_regs, intstatus));
+ err = r_sdreg32(bus, &newstatus, SD_REG(intstatus));
bus->sdcnt.f1regdata += 2;
atomic_set(&bus->fcstate,
!!(newstatus & (I_HMB_FC_STATE | I_HMB_FC_CHANGE)));
@@ -3771,7 +3765,7 @@ static void brcmf_sdio_buscore_activate(
/* clear all interrupts */
core = brcmf_chip_get_core(chip, BCMA_CORE_SDIO_DEV);
- reg_addr = core->base + offsetof(struct sdpcmd_regs, intstatus);
+ reg_addr = core->base + SD_REG(intstatus);
brcmf_sdiod_writel(sdiodev, reg_addr, 0xFFFFFFFF, NULL);
if (rstvec)
@@ -4067,7 +4061,7 @@ static void brcmf_sdio_firmware_callback
/* Enable function 2 (frame transfers) */
w_sdreg32(bus, SDPCM_PROT_VERSION << SMB_DATA_VERSION_SHIFT,
- offsetof(struct sdpcmd_regs, tosbmailboxdata));
+ SD_REG(tosbmailboxdata));
err = sdio_enable_func(sdiodev->func[SDIO_FUNC_2]);
@@ -4077,8 +4071,7 @@ static void brcmf_sdio_firmware_callback
if (!err) {
/* Set up the interrupt mask and enable interrupts */
bus->hostintmask = HOSTINTMASK;
- w_sdreg32(bus, bus->hostintmask,
- offsetof(struct sdpcmd_regs, hostintmask));
+ w_sdreg32(bus, bus->hostintmask, SD_REG(hostintmask));
brcmf_sdiod_writeb(sdiodev, SBSDIO_WATERMARK, 8, &err);
} else {
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