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brcmfmac: Remove repeated calls to brcmf_chip_get_core() 

There is no need to repeatdly call brcmf_chip_get_core(), which
traverses a list of cores every time its called (including during
register access code!).

Call it once, and store a pointer to the core structure. The existing
code does nto keep track of users of the cores anyway, and even so, this
will allow for easier refcounting in future.

Signed-off-by: Ian Molton <ian@mnementh.co.uk>
Reviewed-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
hifive-unleashed-5.1
Ian Molton 2017-12-08 13:10:35 +01:00 committed by Kalle Valo
parent 5cfe38f1f8
commit 21a10846d0
1 changed files with 15 additions and 10 deletions
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25
drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
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@ -436,6 +436,7 @@ struct brcmf_sdio_count {
struct brcmf_sdio {
struct brcmf_sdio_dev *sdiodev; /* sdio device handler */
struct brcmf_chip *ci; /* Chip info struct */
struct brcmf_core *sdio_core; /* sdio core info struct */
u32 hostintmask; /* Copy of Host Interrupt Mask */
atomic_t intstatus; /* Intstatus bits (events) pending */
@ -665,10 +666,9 @@ static bool data_ok(struct brcmf_sdio *bus)
*/
static int r_sdreg32(struct brcmf_sdio *bus, u32 *regvar, u32 offset)
{
struct brcmf_core *core;
struct brcmf_core *core = bus->sdio_core;
int ret;
core = brcmf_chip_get_core(bus->ci, BCMA_CORE_SDIO_DEV);
*regvar = brcmf_sdiod_readl(bus->sdiodev, core->base + offset, &ret);
return ret;
@ -676,10 +676,9 @@ static int r_sdreg32(struct brcmf_sdio *bus, u32 *regvar, u32 offset)
static int w_sdreg32(struct brcmf_sdio *bus, u32 regval, u32 reg_offset)
{
struct brcmf_core *core;
struct brcmf_core *core = bus->sdio_core;
int ret;
core = brcmf_chip_get_core(bus->ci, BCMA_CORE_SDIO_DEV);
brcmf_sdiod_writel(bus->sdiodev, core->base + reg_offset, regval, &ret);
return ret;
@ -2495,12 +2494,11 @@ static inline void brcmf_sdio_clrintr(struct brcmf_sdio *bus)
static int brcmf_sdio_intr_rstatus(struct brcmf_sdio *bus)
{
struct brcmf_core *buscore;
struct brcmf_core *buscore = bus->sdio_core;
u32 addr;
unsigned long val;
int ret;
buscore = brcmf_chip_get_core(bus->ci, BCMA_CORE_SDIO_DEV);
addr = buscore->base + SD_REG(intstatus);
val = brcmf_sdiod_readl(bus->sdiodev, addr, &ret);
@ -3377,13 +3375,14 @@ static void brcmf_sdio_sr_init(struct brcmf_sdio *bus)
/* enable KSO bit */
static int brcmf_sdio_kso_init(struct brcmf_sdio *bus)
{
struct brcmf_core *core = bus->sdio_core;
u8 val;
int err = 0;
brcmf_dbg(TRACE, "Enter\n");
/* KSO bit added in SDIO core rev 12 */
if (brcmf_chip_get_core(bus->ci, BCMA_CORE_SDIO_DEV)->rev < 12)
if (core->rev < 12)
return 0;
val = brcmf_sdiod_readb(bus->sdiodev, SBSDIO_FUNC1_SLEEPCSR, &err);
@ -3412,6 +3411,7 @@ static int brcmf_sdio_bus_preinit(struct device *dev)
struct brcmf_bus *bus_if = dev_get_drvdata(dev);
struct brcmf_sdio_dev *sdiodev = bus_if->bus_priv.sdio;
struct brcmf_sdio *bus = sdiodev->bus;
struct brcmf_core *core = bus->sdio_core;
uint pad_size;
u32 value;
int err;
@ -3420,7 +3420,7 @@ static int brcmf_sdio_bus_preinit(struct device *dev)
* a device perspective, ie. bus:txglom affects the
* bus transfers from device to host.
*/
if (brcmf_chip_get_core(bus->ci, BCMA_CORE_SDIO_DEV)->rev < 12) {
if (core->rev < 12) {
/* for sdio core rev < 12, disable txgloming */
value = 0;
err = brcmf_iovar_data_set(dev, "bus:txglom", &value,
@ -3758,11 +3758,10 @@ static void brcmf_sdio_buscore_activate(void *ctx, struct brcmf_chip *chip,
u32 rstvec)
{
struct brcmf_sdio_dev *sdiodev = ctx;
struct brcmf_core *core;
struct brcmf_core *core = sdiodev->bus->sdio_core;
u32 reg_addr;
/* clear all interrupts */
core = brcmf_chip_get_core(chip, BCMA_CORE_SDIO_DEV);
reg_addr = core->base + SD_REG(intstatus);
brcmf_sdiod_writel(sdiodev, reg_addr, 0xFFFFFFFF, NULL);
@ -3843,6 +3842,12 @@ brcmf_sdio_probe_attach(struct brcmf_sdio *bus)
bus->ci = NULL;
goto fail;
}
/* Pick up the SDIO core info struct from chip.c */
bus->sdio_core = brcmf_chip_get_core(bus->ci, BCMA_CORE_SDIO_DEV);
if (!bus->sdio_core)
goto fail;
sdiodev->settings = brcmf_get_module_param(sdiodev->dev,
BRCMF_BUSTYPE_SDIO,
bus->ci->chip,