[20/21] brcmfmac: general cleanup

Commit Message

Ian Molton July 16, 2017, 11:21 a.m. UTC

---
 .../wireless/broadcom/brcm80211/brcmfmac/sdio.c    | 24 ++++++++++++++--------
 1 file changed, 15 insertions(+), 9 deletions(-)

Patch

diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
index 95d325921ce2..45b8000680c0 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
@@ -639,11 +639,13 @@  static struct brcmf_firmware_mapping brcmf_sdio_fwnames[] = {
 
 static void pkt_align(struct sk_buff *p, int len, int align)
 {
-	uint datalign;
-	datalign = (unsigned long)(p->data);
+	uint datalign = (unsigned long)(p->data);
+
 	datalign = roundup(datalign, (align)) - datalign;
+
 	if (datalign)
 		skb_pull(p, datalign);
+
 	__skb_trim(p, len);
 }
 
@@ -2463,10 +2465,9 @@  static void brcmf_sdio_bus_stop(struct device *dev)
 
 static inline void brcmf_sdio_clrintr(struct brcmf_sdio *bus)
 {
-	struct brcmf_sdio_dev *sdiodev;
+	struct brcmf_sdio_dev *sdiodev = bus->sdiodev;
 	unsigned long flags;
 
-	sdiodev = bus->sdiodev;
 	if (sdiodev->oob_irq_requested) {
 		spin_lock_irqsave(&sdiodev->irq_en_lock, flags);
 		if (!sdiodev->irq_en && !atomic_read(&bus->ipend)) {
@@ -3762,15 +3763,23 @@  static u32 brcmf_sdio_buscore_read32(void *ctx, u32 addr)
 	u32 val, rev;
 
 	val = brcmf_sdiod_regrl(sdiodev, addr, NULL);
+
+	/* Force 4339 chips over rev2 to use the same ID */
+	/* This is borderline tolerable whilst there is only two exceptions */
+	/* But could be handled better */
 	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)) {
+		sdiodev->func[0]->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;
 			val |= BRCM_CC_4339_CHIP_ID;
 		}
+
 	}
+
 	return val;
 }
 
@@ -3801,9 +3810,6 @@  brcmf_sdio_probe_attach(struct brcmf_sdio *bus)
 	sdiodev = bus->sdiodev;
 	sdio_claim_host(sdiodev->func[1]);
 
-	pr_debug("F1 signature read @0x18000000=0x%4x\n",
-		 brcmf_sdiod_regrl(sdiodev, SI_ENUM_BASE, NULL));
-
 	/*
 	 * Force PLL off until brcmf_chip_attach()
 	 * programs PLL control regs