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[4/7] brcmfmac: assure device is ready for download after brcmf_chip_attach()

Message ID 1426086693-13876-5-git-send-email-arend@broadcom.com (mailing list archive)
State Accepted
Delegated to: Kalle Valo
Headers show

Commit Message

Arend van Spriel March 11, 2015, 3:11 p.m. UTC 
Make the brcmf_chip_attach() function responsible for putting the
device in a state where it is accessible for firmware download.

Reviewed-by: Hante Meuleman <meuleman@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
---
 drivers/net/wireless/brcm80211/brcmfmac/chip.c | 8 ++------
 drivers/net/wireless/brcm80211/brcmfmac/pcie.c | 2 --
 drivers/net/wireless/brcm80211/brcmfmac/sdio.c | 3 ---
 3 files changed, 2 insertions(+), 11 deletions(-)
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Patch

diff --git a/drivers/net/wireless/brcm80211/brcmfmac/chip.c b/drivers/net/wireless/brcm80211/brcmfmac/chip.c
index d68e37d..c11137e 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/chip.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/chip.c
@@ -786,12 +786,6 @@  static int brcmf_chip_setup(struct brcmf_chip_priv *chip)
 	if (chip->ops->setup)
 		ret = chip->ops->setup(chip->ctx, pub);
 
-	/*
-	 * Make sure any on-chip ARM is off (in case strapping is wrong),
-	 * or downloaded code was already running.
-	 */
-	brcmf_chip_disable_arm(chip, BCMA_CORE_ARM_CM3);
-	brcmf_chip_disable_arm(chip, BCMA_CORE_ARM_CR4);
 	return ret;
 }
 
@@ -833,6 +827,8 @@  struct brcmf_chip *brcmf_chip_attach(void *ctx,
 	if (err < 0)
 		goto fail;
 
+	/* assure chip is passive for download */
+	brcmf_chip_set_passive(&chip->pub);
 	return &chip->pub;
 
 fail:
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/pcie.c b/drivers/net/wireless/brcm80211/brcmfmac/pcie.c
index 81e544f..aa7a4df 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/pcie.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/pcie.c
@@ -509,8 +509,6 @@  static void brcmf_pcie_attach(struct brcmf_pciedev_info *devinfo)
 
 static int brcmf_pcie_enter_download_state(struct brcmf_pciedev_info *devinfo)
 {
-	brcmf_chip_set_passive(devinfo->ci);
-
 	if (devinfo->ci->chip == BRCM_CC_43602_CHIP_ID) {
 		brcmf_pcie_select_core(devinfo, BCMA_CORE_ARM_CR4);
 		brcmf_pcie_write_reg32(devinfo, BRCMF_PCIE_ARMCR4REG_BANKIDX,
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/sdio.c b/drivers/net/wireless/brcm80211/brcmfmac/sdio.c
index fff3b26..c783c25 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/sdio.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/sdio.c
@@ -3356,9 +3356,6 @@  static int brcmf_sdio_download_firmware(struct brcmf_sdio *bus,
 	sdio_claim_host(bus->sdiodev->func[1]);
 	brcmf_sdio_clkctl(bus, CLK_AVAIL, false);
 
-	/* Keep arm in reset */
-	brcmf_chip_set_passive(bus->ci);
-
 	rstvec = get_unaligned_le32(fw->data);
 	brcmf_dbg(SDIO, "firmware rstvec: %x\n", rstvec);