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path: root/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c
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Diffstat (limited to 'drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c')
-rw-r--r--drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c43
1 files changed, 14 insertions, 29 deletions
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c b/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c
index 3b2c4c20e7fc..334ddab4a8c5 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c
@@ -42,7 +42,8 @@
#ifdef CONFIG_BRCMFMAC_SDIO_OOB
static irqreturn_t brcmf_sdio_irqhandler(int irq, void *dev_id)
{
- struct brcmf_sdio_dev *sdiodev = dev_get_drvdata(dev_id);
+ struct brcmf_bus *bus_if = dev_get_drvdata(dev_id);
+ struct brcmf_sdio_dev *sdiodev = bus_if->bus_priv.sdio;
brcmf_dbg(INTR, "oob intr triggered\n");
@@ -71,7 +72,7 @@ int brcmf_sdio_intr_register(struct brcmf_sdio_dev *sdiodev)
brcmf_dbg(ERROR, "requesting irq %d\n", sdiodev->irq);
ret = request_irq(sdiodev->irq, brcmf_sdio_irqhandler,
sdiodev->irq_flags, "brcmf_oob_intr",
- &sdiodev->func[1]->card->dev);
+ &sdiodev->func[1]->dev);
if (ret != 0)
return ret;
spin_lock_init(&sdiodev->irq_en_lock);
@@ -84,6 +85,8 @@ int brcmf_sdio_intr_register(struct brcmf_sdio_dev *sdiodev)
return ret;
sdiodev->irq_wake = true;
+ sdio_claim_host(sdiodev->func[1]);
+
/* must configure SDIO_CCCR_IENx to enable irq */
data = brcmf_sdio_regrb(sdiodev, SDIO_CCCR_IENx, &ret);
data |= 1 << SDIO_FUNC_1 | 1 << SDIO_FUNC_2 | 1;
@@ -95,6 +98,8 @@ int brcmf_sdio_intr_register(struct brcmf_sdio_dev *sdiodev)
data |= SDIO_SEPINT_ACT_HI;
brcmf_sdio_regwb(sdiodev, SDIO_CCCR_BRCM_SEPINT, data, &ret);
+ sdio_release_host(sdiodev->func[1]);
+
return 0;
}
@@ -102,14 +107,16 @@ int brcmf_sdio_intr_unregister(struct brcmf_sdio_dev *sdiodev)
{
brcmf_dbg(TRACE, "Entering\n");
+ sdio_claim_host(sdiodev->func[1]);
brcmf_sdio_regwb(sdiodev, SDIO_CCCR_BRCM_SEPINT, 0, NULL);
brcmf_sdio_regwb(sdiodev, SDIO_CCCR_IENx, 0, NULL);
+ sdio_release_host(sdiodev->func[1]);
if (sdiodev->irq_wake) {
disable_irq_wake(sdiodev->irq);
sdiodev->irq_wake = false;
}
- free_irq(sdiodev->irq, &sdiodev->func[1]->card->dev);
+ free_irq(sdiodev->irq, &sdiodev->func[1]->dev);
sdiodev->irq_en = false;
return 0;
@@ -117,7 +124,8 @@ int brcmf_sdio_intr_unregister(struct brcmf_sdio_dev *sdiodev)
#else /* CONFIG_BRCMFMAC_SDIO_OOB */
static void brcmf_sdio_irqhandler(struct sdio_func *func)
{
- struct brcmf_sdio_dev *sdiodev = dev_get_drvdata(&func->card->dev);
+ struct brcmf_bus *bus_if = dev_get_drvdata(&func->dev);
+ struct brcmf_sdio_dev *sdiodev = bus_if->bus_priv.sdio;
brcmf_dbg(INTR, "ib intr triggered\n");
@@ -249,9 +257,7 @@ u8 brcmf_sdio_regrb(struct brcmf_sdio_dev *sdiodev, u32 addr, int *ret)
int retval;
brcmf_dbg(INFO, "addr:0x%08x\n", addr);
- sdio_claim_host(sdiodev->func[1]);
retval = brcmf_sdio_regrw_helper(sdiodev, addr, &data, false);
- sdio_release_host(sdiodev->func[1]);
brcmf_dbg(INFO, "data:0x%02x\n", data);
if (ret)
@@ -266,9 +272,7 @@ u32 brcmf_sdio_regrl(struct brcmf_sdio_dev *sdiodev, u32 addr, int *ret)
int retval;
brcmf_dbg(INFO, "addr:0x%08x\n", addr);
- sdio_claim_host(sdiodev->func[1]);
retval = brcmf_sdio_regrw_helper(sdiodev, addr, &data, false);
- sdio_release_host(sdiodev->func[1]);
brcmf_dbg(INFO, "data:0x%08x\n", data);
if (ret)
@@ -283,9 +287,7 @@ void brcmf_sdio_regwb(struct brcmf_sdio_dev *sdiodev, u32 addr,
int retval;
brcmf_dbg(INFO, "addr:0x%08x, data:0x%02x\n", addr, data);
- sdio_claim_host(sdiodev->func[1]);
retval = brcmf_sdio_regrw_helper(sdiodev, addr, &data, true);
- sdio_release_host(sdiodev->func[1]);
if (ret)
*ret = retval;
@@ -297,9 +299,7 @@ void brcmf_sdio_regwl(struct brcmf_sdio_dev *sdiodev, u32 addr,
int retval;
brcmf_dbg(INFO, "addr:0x%08x, data:0x%08x\n", addr, data);
- sdio_claim_host(sdiodev->func[1]);
retval = brcmf_sdio_regrw_helper(sdiodev, addr, &data, true);
- sdio_release_host(sdiodev->func[1]);
if (ret)
*ret = retval;
@@ -364,8 +364,6 @@ brcmf_sdcard_recv_pkt(struct brcmf_sdio_dev *sdiodev, u32 addr, uint fn,
brcmf_dbg(INFO, "fun = %d, addr = 0x%x, size = %d\n",
fn, addr, pkt->len);
- sdio_claim_host(sdiodev->func[1]);
-
width = (flags & SDIO_REQ_4BYTE) ? 4 : 2;
err = brcmf_sdcard_recv_prepare(sdiodev, fn, flags, width, &addr);
if (err)
@@ -376,8 +374,6 @@ brcmf_sdcard_recv_pkt(struct brcmf_sdio_dev *sdiodev, u32 addr, uint fn,
fn, addr, pkt);
done:
- sdio_release_host(sdiodev->func[1]);
-
return err;
}
@@ -391,8 +387,6 @@ int brcmf_sdcard_recv_chain(struct brcmf_sdio_dev *sdiodev, u32 addr, uint fn,
brcmf_dbg(INFO, "fun = %d, addr = 0x%x, size = %d\n",
fn, addr, pktq->qlen);
- sdio_claim_host(sdiodev->func[1]);
-
width = (flags & SDIO_REQ_4BYTE) ? 4 : 2;
err = brcmf_sdcard_recv_prepare(sdiodev, fn, flags, width, &addr);
if (err)
@@ -403,8 +397,6 @@ int brcmf_sdcard_recv_chain(struct brcmf_sdio_dev *sdiodev, u32 addr, uint fn,
pktq);
done:
- sdio_release_host(sdiodev->func[1]);
-
return err;
}
@@ -446,8 +438,6 @@ brcmf_sdcard_send_pkt(struct brcmf_sdio_dev *sdiodev, u32 addr, uint fn,
if (flags & SDIO_REQ_ASYNC)
return -ENOTSUPP;
- sdio_claim_host(sdiodev->func[1]);
-
if (bar0 != sdiodev->sbwad) {
err = brcmf_sdcard_set_sbaddr_window(sdiodev, bar0);
if (err)
@@ -467,8 +457,6 @@ brcmf_sdcard_send_pkt(struct brcmf_sdio_dev *sdiodev, u32 addr, uint fn,
addr, pkt);
done:
- sdio_release_host(sdiodev->func[1]);
-
return err;
}
@@ -510,10 +498,8 @@ int brcmf_sdcard_abort(struct brcmf_sdio_dev *sdiodev, uint fn)
brcmf_dbg(TRACE, "Enter\n");
/* issue abort cmd52 command through F0 */
- sdio_claim_host(sdiodev->func[1]);
brcmf_sdioh_request_byte(sdiodev, SDIOH_WRITE, SDIO_FUNC_0,
SDIO_CCCR_ABORT, &t_func);
- sdio_release_host(sdiodev->func[1]);
brcmf_dbg(TRACE, "Exit\n");
return 0;
@@ -530,9 +516,6 @@ int brcmf_sdio_probe(struct brcmf_sdio_dev *sdiodev)
regs = SI_ENUM_BASE;
- /* Report the BAR, to fix if needed */
- sdiodev->sbwad = SI_ENUM_BASE;
-
/* try to attach to the target device */
sdiodev->bus = brcmf_sdbrcm_probe(regs, sdiodev);
if (!sdiodev->bus) {
@@ -551,6 +534,8 @@ EXPORT_SYMBOL(brcmf_sdio_probe);
int brcmf_sdio_remove(struct brcmf_sdio_dev *sdiodev)
{
+ sdiodev->bus_if->state = BRCMF_BUS_DOWN;
+
if (sdiodev->bus) {
brcmf_sdbrcm_disconnect(sdiodev->bus);
sdiodev->bus = NULL;
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.