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