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Diffstat (limited to 'drivers/mmc')
-rw-r--r--drivers/mmc/core/core.c2
-rw-r--r--drivers/mmc/core/mmc.c8
-rw-r--r--drivers/mmc/core/sdio.c51
-rw-r--r--drivers/mmc/core/sdio_bus.c33
-rw-r--r--drivers/mmc/host/omap_hsmmc.c2
-rw-r--r--drivers/mmc/host/sdhci-esdhc-imx.c12
-rw-r--r--drivers/mmc/host/sdhci-pci.c31
-rw-r--r--drivers/mmc/host/sdhci-pxa.c4
-rw-r--r--drivers/mmc/host/sdhci.c54
-rw-r--r--drivers/mmc/host/sdhci.h9
-rw-r--r--drivers/mmc/host/ushc.c30
11 files changed, 174 insertions, 62 deletions
diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
index 8f86d702e46e..31ae07a36576 100644
--- a/drivers/mmc/core/core.c
+++ b/drivers/mmc/core/core.c
@@ -1559,7 +1559,7 @@ void mmc_stop_host(struct mmc_host *host)
if (host->caps & MMC_CAP_DISABLE)
cancel_delayed_work(&host->disable);
- cancel_delayed_work(&host->detect);
+ cancel_delayed_work_sync(&host->detect);
mmc_flush_scheduled_work();
/* clear pm flags now and let card drivers set them as needed */
diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
index 995261f7fd70..77f93c3b8808 100644
--- a/drivers/mmc/core/mmc.c
+++ b/drivers/mmc/core/mmc.c
@@ -375,7 +375,7 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr,
struct mmc_card *oldcard)
{
struct mmc_card *card;
- int err, ddr = MMC_SDR_MODE;
+ int err, ddr = 0;
u32 cid[4];
unsigned int max_dtr;
@@ -562,7 +562,11 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr,
1 << bus_width, ddr);
err = 0;
} else {
- mmc_card_set_ddr_mode(card);
+ if (ddr)
+ mmc_card_set_ddr_mode(card);
+ else
+ ddr = MMC_SDR_MODE;
+
mmc_set_bus_width_ddr(card->host, bus_width, ddr);
}
}
diff --git a/drivers/mmc/core/sdio.c b/drivers/mmc/core/sdio.c
index c3ad1058cd31..efef5f94ac42 100644
--- a/drivers/mmc/core/sdio.c
+++ b/drivers/mmc/core/sdio.c
@@ -547,9 +547,11 @@ static void mmc_sdio_detect(struct mmc_host *host)
BUG_ON(!host->card);
/* Make sure card is powered before detecting it */
- err = pm_runtime_get_sync(&host->card->dev);
- if (err < 0)
- goto out;
+ if (host->caps & MMC_CAP_POWER_OFF_CARD) {
+ err = pm_runtime_get_sync(&host->card->dev);
+ if (err < 0)
+ goto out;
+ }
mmc_claim_host(host);
@@ -560,6 +562,20 @@ static void mmc_sdio_detect(struct mmc_host *host)
mmc_release_host(host);
+ /*
+ * Tell PM core it's OK to power off the card now.
+ *
+ * The _sync variant is used in order to ensure that the card
+ * is left powered off in case an error occurred, and the card
+ * is going to be removed.
+ *
+ * Since there is no specific reason to believe a new user
+ * is about to show up at this point, the _sync variant is
+ * desirable anyway.
+ */
+ if (host->caps & MMC_CAP_POWER_OFF_CARD)
+ pm_runtime_put_sync(&host->card->dev);
+
out:
if (err) {
mmc_sdio_remove(host);
@@ -568,9 +584,6 @@ out:
mmc_detach_bus(host);
mmc_release_host(host);
}
-
- /* Tell PM core that we're done */
- pm_runtime_put(&host->card->dev);
}
/*
@@ -718,16 +731,21 @@ int mmc_attach_sdio(struct mmc_host *host, u32 ocr)
card = host->card;
/*
- * Let runtime PM core know our card is active
+ * Enable runtime PM only if supported by host+card+board
*/
- err = pm_runtime_set_active(&card->dev);
- if (err)
- goto remove;
+ if (host->caps & MMC_CAP_POWER_OFF_CARD) {
+ /*
+ * Let runtime PM core know our card is active
+ */
+ err = pm_runtime_set_active(&card->dev);
+ if (err)
+ goto remove;
- /*
- * Enable runtime PM for this card
- */
- pm_runtime_enable(&card->dev);
+ /*
+ * Enable runtime PM for this card
+ */
+ pm_runtime_enable(&card->dev);
+ }
/*
* The number of functions on the card is encoded inside
@@ -745,9 +763,10 @@ int mmc_attach_sdio(struct mmc_host *host, u32 ocr)
goto remove;
/*
- * Enable Runtime PM for this func
+ * Enable Runtime PM for this func (if supported)
*/
- pm_runtime_enable(&card->sdio_func[i]->dev);
+ if (host->caps & MMC_CAP_POWER_OFF_CARD)
+ pm_runtime_enable(&card->sdio_func[i]->dev);
}
mmc_release_host(host);
diff --git a/drivers/mmc/core/sdio_bus.c b/drivers/mmc/core/sdio_bus.c
index 2716c7ab6bbf..203da443e339 100644
--- a/drivers/mmc/core/sdio_bus.c
+++ b/drivers/mmc/core/sdio_bus.c
@@ -17,6 +17,7 @@
#include <linux/pm_runtime.h>
#include <linux/mmc/card.h>
+#include <linux/mmc/host.h>
#include <linux/mmc/sdio_func.h>
#include "sdio_cis.h"
@@ -132,9 +133,11 @@ static int sdio_bus_probe(struct device *dev)
* it should call pm_runtime_put_noidle() in its probe routine and
* pm_runtime_get_noresume() in its remove routine.
*/
- ret = pm_runtime_get_sync(dev);
- if (ret < 0)
- goto out;
+ if (func->card->host->caps & MMC_CAP_POWER_OFF_CARD) {
+ ret = pm_runtime_get_sync(dev);
+ if (ret < 0)
+ goto out;
+ }
/* Set the default block size so the driver is sure it's something
* sensible. */
@@ -151,7 +154,8 @@ static int sdio_bus_probe(struct device *dev)
return 0;
disable_runtimepm:
- pm_runtime_put_noidle(dev);
+ if (func->card->host->caps & MMC_CAP_POWER_OFF_CARD)
+ pm_runtime_put_noidle(dev);
out:
return ret;
}
@@ -160,12 +164,14 @@ static int sdio_bus_remove(struct device *dev)
{
struct sdio_driver *drv = to_sdio_driver(dev->driver);
struct sdio_func *func = dev_to_sdio_func(dev);
- int ret;
+ int ret = 0;
/* Make sure card is powered before invoking ->remove() */
- ret = pm_runtime_get_sync(dev);
- if (ret < 0)
- goto out;
+ if (func->card->host->caps & MMC_CAP_POWER_OFF_CARD) {
+ ret = pm_runtime_get_sync(dev);
+ if (ret < 0)
+ goto out;
+ }
drv->remove(func);
@@ -178,10 +184,12 @@ static int sdio_bus_remove(struct device *dev)
}
/* First, undo the increment made directly above */
- pm_runtime_put_noidle(dev);
+ if (func->card->host->caps & MMC_CAP_POWER_OFF_CARD)
+ pm_runtime_put_noidle(dev);
/* Then undo the runtime PM settings in sdio_bus_probe() */
- pm_runtime_put_noidle(dev);
+ if (func->card->host->caps & MMC_CAP_POWER_OFF_CARD)
+ pm_runtime_put_noidle(dev);
out:
return ret;
@@ -191,6 +199,8 @@ out:
static int sdio_bus_pm_prepare(struct device *dev)
{
+ struct sdio_func *func = dev_to_sdio_func(dev);
+
/*
* Resume an SDIO device which was suspended at run time at this
* point, in order to allow standard SDIO suspend/resume paths
@@ -212,7 +222,8 @@ static int sdio_bus_pm_prepare(struct device *dev)
* since there is little point in failing system suspend if a
* device can't be resumed.
*/
- pm_runtime_resume(dev);
+ if (func->card->host->caps & MMC_CAP_POWER_OFF_CARD)
+ pm_runtime_resume(dev);
return 0;
}
diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
index 82a1079bbdc7..5d46021cbb57 100644
--- a/drivers/mmc/host/omap_hsmmc.c
+++ b/drivers/mmc/host/omap_hsmmc.c
@@ -1002,7 +1002,7 @@ static inline void omap_hsmmc_reset_controller_fsm(struct omap_hsmmc_host *host,
* Monitor a 0->1 transition first
*/
if (mmc_slot(host).features & HSMMC_HAS_UPDATED_RESET) {
- while ((!(OMAP_HSMMC_READ(host, SYSCTL) & bit))
+ while ((!(OMAP_HSMMC_READ(host->base, SYSCTL) & bit))
&& (i++ < limit))
cpu_relax();
}
diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c
index 2e9cca19c90b..9b82910b9dbb 100644
--- a/drivers/mmc/host/sdhci-esdhc-imx.c
+++ b/drivers/mmc/host/sdhci-esdhc-imx.c
@@ -17,6 +17,7 @@
#include <linux/clk.h>
#include <linux/mmc/host.h>
#include <linux/mmc/sdhci-pltfm.h>
+#include <mach/hardware.h>
#include "sdhci.h"
#include "sdhci-pltfm.h"
#include "sdhci-esdhc.h"
@@ -112,6 +113,13 @@ static int esdhc_pltfm_init(struct sdhci_host *host, struct sdhci_pltfm_data *pd
clk_enable(clk);
pltfm_host->clk = clk;
+ if (cpu_is_mx35() || cpu_is_mx51())
+ host->quirks |= SDHCI_QUIRK_BROKEN_TIMEOUT_VAL;
+
+ /* Fix errata ENGcm07207 which is present on i.MX25 and i.MX35 */
+ if (cpu_is_mx25() || cpu_is_mx35())
+ host->quirks |= SDHCI_QUIRK_NO_MULTIBLOCK;
+
return 0;
}
@@ -133,10 +141,8 @@ static struct sdhci_ops sdhci_esdhc_ops = {
};
struct sdhci_pltfm_data sdhci_esdhc_imx_pdata = {
- .quirks = ESDHC_DEFAULT_QUIRKS | SDHCI_QUIRK_NO_MULTIBLOCK
- | SDHCI_QUIRK_BROKEN_ADMA,
+ .quirks = ESDHC_DEFAULT_QUIRKS | SDHCI_QUIRK_BROKEN_ADMA,
/* ADMA has issues. Might be fixable */
- /* NO_MULTIBLOCK might be MX35 only (Errata: ENGcm07207) */
.ops = &sdhci_esdhc_ops,
.init = esdhc_pltfm_init,
.exit = esdhc_pltfm_exit,
diff --git a/drivers/mmc/host/sdhci-pci.c b/drivers/mmc/host/sdhci-pci.c
index 55746bac2f44..3d9c2460d437 100644
--- a/drivers/mmc/host/sdhci-pci.c
+++ b/drivers/mmc/host/sdhci-pci.c
@@ -149,11 +149,11 @@ static const struct sdhci_pci_fixes sdhci_cafe = {
* ADMA operation is disabled for Moorestown platform due to
* hardware bugs.
*/
-static int mrst_hc1_probe(struct sdhci_pci_chip *chip)
+static int mrst_hc_probe(struct sdhci_pci_chip *chip)
{
/*
- * slots number is fixed here for MRST as SDIO3 is never used and has
- * hardware bugs.
+ * slots number is fixed here for MRST as SDIO3/5 are never used and
+ * have hardware bugs.
*/
chip->num_slots = 1;
return 0;
@@ -163,9 +163,9 @@ static const struct sdhci_pci_fixes sdhci_intel_mrst_hc0 = {
.quirks = SDHCI_QUIRK_BROKEN_ADMA | SDHCI_QUIRK_NO_HISPD_BIT,
};
-static const struct sdhci_pci_fixes sdhci_intel_mrst_hc1 = {
+static const struct sdhci_pci_fixes sdhci_intel_mrst_hc1_hc2 = {
.quirks = SDHCI_QUIRK_BROKEN_ADMA | SDHCI_QUIRK_NO_HISPD_BIT,
- .probe = mrst_hc1_probe,
+ .probe = mrst_hc_probe,
};
static const struct sdhci_pci_fixes sdhci_intel_mfd_sd = {
@@ -538,7 +538,15 @@ static const struct pci_device_id pci_ids[] __devinitdata = {
.device = PCI_DEVICE_ID_INTEL_MRST_SD1,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
- .driver_data = (kernel_ulong_t)&sdhci_intel_mrst_hc1,
+ .driver_data = (kernel_ulong_t)&sdhci_intel_mrst_hc1_hc2,
+ },
+
+ {
+ .vendor = PCI_VENDOR_ID_INTEL,
+ .device = PCI_DEVICE_ID_INTEL_MRST_SD2,
+ .subvendor = PCI_ANY_ID,
+ .subdevice = PCI_ANY_ID,
+ .driver_data = (kernel_ulong_t)&sdhci_intel_mrst_hc1_hc2,
},
{
@@ -637,6 +645,7 @@ static int sdhci_pci_suspend (struct pci_dev *pdev, pm_message_t state)
{
struct sdhci_pci_chip *chip;
struct sdhci_pci_slot *slot;
+ mmc_pm_flag_t slot_pm_flags;
mmc_pm_flag_t pm_flags = 0;
int i, ret;
@@ -657,7 +666,11 @@ static int sdhci_pci_suspend (struct pci_dev *pdev, pm_message_t state)
return ret;
}
- pm_flags |= slot->host->mmc->pm_flags;
+ slot_pm_flags = slot->host->mmc->pm_flags;
+ if (slot_pm_flags & MMC_PM_WAKE_SDIO_IRQ)
+ sdhci_enable_irq_wakeups(slot->host);
+
+ pm_flags |= slot_pm_flags;
}
if (chip->fixes && chip->fixes->suspend) {
@@ -671,8 +684,10 @@ static int sdhci_pci_suspend (struct pci_dev *pdev, pm_message_t state)
pci_save_state(pdev);
if (pm_flags & MMC_PM_KEEP_POWER) {
- if (pm_flags & MMC_PM_WAKE_SDIO_IRQ)
+ if (pm_flags & MMC_PM_WAKE_SDIO_IRQ) {
+ pci_pme_active(pdev, true);
pci_enable_wake(pdev, PCI_D3hot, 1);
+ }
pci_set_power_state(pdev, PCI_D3hot);
} else {
pci_enable_wake(pdev, pci_choose_state(pdev, state), 0);
diff --git a/drivers/mmc/host/sdhci-pxa.c b/drivers/mmc/host/sdhci-pxa.c
index fc406ac5d193..5a61208cbc66 100644
--- a/drivers/mmc/host/sdhci-pxa.c
+++ b/drivers/mmc/host/sdhci-pxa.c
@@ -141,6 +141,10 @@ static int __devinit sdhci_pxa_probe(struct platform_device *pdev)
if (pdata->quirks)
host->quirks |= pdata->quirks;
+ /* If slot design supports 8 bit data, indicate this to MMC. */
+ if (pdata->flags & PXA_FLAG_SD_8_BIT_CAPABLE_SLOT)
+ host->mmc->caps |= MMC_CAP_8_BIT_DATA;
+
ret = sdhci_add_host(host);
if (ret) {
dev_err(&pdev->dev, "failed to add host\n");
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index 782c0ee3c925..a25db426c910 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -1185,17 +1185,31 @@ static void sdhci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
if (host->ops->platform_send_init_74_clocks)
host->ops->platform_send_init_74_clocks(host, ios->power_mode);
- ctrl = sdhci_readb(host, SDHCI_HOST_CONTROL);
-
- if (ios->bus_width == MMC_BUS_WIDTH_8)
- ctrl |= SDHCI_CTRL_8BITBUS;
- else
- ctrl &= ~SDHCI_CTRL_8BITBUS;
+ /*
+ * If your platform has 8-bit width support but is not a v3 controller,
+ * or if it requires special setup code, you should implement that in
+ * platform_8bit_width().
+ */
+ if (host->ops->platform_8bit_width)
+ host->ops->platform_8bit_width(host, ios->bus_width);
+ else {
+ ctrl = sdhci_readb(host, SDHCI_HOST_CONTROL);
+ if (ios->bus_width == MMC_BUS_WIDTH_8) {
+ ctrl &= ~SDHCI_CTRL_4BITBUS;
+ if (host->version >= SDHCI_SPEC_300)
+ ctrl |= SDHCI_CTRL_8BITBUS;
+ } else {
+ if (host->version >= SDHCI_SPEC_300)
+ ctrl &= ~SDHCI_CTRL_8BITBUS;
+ if (ios->bus_width == MMC_BUS_WIDTH_4)
+ ctrl |= SDHCI_CTRL_4BITBUS;
+ else
+ ctrl &= ~SDHCI_CTRL_4BITBUS;
+ }
+ sdhci_writeb(host, ctrl, SDHCI_HOST_CONTROL);
+ }
- if (ios->bus_width == MMC_BUS_WIDTH_4)
- ctrl |= SDHCI_CTRL_4BITBUS;
- else
- ctrl &= ~SDHCI_CTRL_4BITBUS;
+ ctrl = sdhci_readb(host, SDHCI_HOST_CONTROL);
if ((ios->timing == MMC_TIMING_SD_HS ||
ios->timing == MMC_TIMING_MMC_HS)
@@ -1681,6 +1695,16 @@ int sdhci_resume_host(struct sdhci_host *host)
EXPORT_SYMBOL_GPL(sdhci_resume_host);
+void sdhci_enable_irq_wakeups(struct sdhci_host *host)
+{
+ u8 val;
+ val = sdhci_readb(host, SDHCI_WAKE_UP_CONTROL);
+ val |= SDHCI_WAKE_ON_INT;
+ sdhci_writeb(host, val, SDHCI_WAKE_UP_CONTROL);
+}
+
+EXPORT_SYMBOL_GPL(sdhci_enable_irq_wakeups);
+
#endif /* CONFIG_PM */
/*****************************************************************************\
@@ -1845,11 +1869,19 @@ int sdhci_add_host(struct sdhci_host *host)
mmc->f_min = host->max_clk / SDHCI_MAX_DIV_SPEC_300;
else
mmc->f_min = host->max_clk / SDHCI_MAX_DIV_SPEC_200;
+
mmc->f_max = host->max_clk;
mmc->caps |= MMC_CAP_SDIO_IRQ;
+ /*
+ * A controller may support 8-bit width, but the board itself
+ * might not have the pins brought out. Boards that support
+ * 8-bit width must set "mmc->caps |= MMC_CAP_8_BIT_DATA;" in
+ * their platform code before calling sdhci_add_host(), and we
+ * won't assume 8-bit width for hosts without that CAP.
+ */
if (!(host->quirks & SDHCI_QUIRK_FORCE_1_BIT_DATA))
- mmc->caps |= MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA;
+ mmc->caps |= MMC_CAP_4_BIT_DATA;
if (caps & SDHCI_CAN_DO_HISPD)
mmc->caps |= MMC_CAP_SD_HIGHSPEED | MMC_CAP_MMC_HIGHSPEED;
diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h
index b7b8a3b28b01..e42d7f00c060 100644
--- a/drivers/mmc/host/sdhci.h
+++ b/drivers/mmc/host/sdhci.h
@@ -76,7 +76,7 @@
#define SDHCI_CTRL_ADMA1 0x08
#define SDHCI_CTRL_ADMA32 0x10
#define SDHCI_CTRL_ADMA64 0x18
-#define SDHCI_CTRL_8BITBUS 0x20
+#define SDHCI_CTRL_8BITBUS 0x20
#define SDHCI_POWER_CONTROL 0x29
#define SDHCI_POWER_ON 0x01
@@ -87,6 +87,9 @@
#define SDHCI_BLOCK_GAP_CONTROL 0x2A
#define SDHCI_WAKE_UP_CONTROL 0x2B
+#define SDHCI_WAKE_ON_INT 0x01
+#define SDHCI_WAKE_ON_INSERT 0x02
+#define SDHCI_WAKE_ON_REMOVE 0x04
#define SDHCI_CLOCK_CONTROL 0x2C
#define SDHCI_DIVIDER_SHIFT 8
@@ -152,6 +155,7 @@
#define SDHCI_CLOCK_BASE_SHIFT 8
#define SDHCI_MAX_BLOCK_MASK 0x00030000
#define SDHCI_MAX_BLOCK_SHIFT 16
+#define SDHCI_CAN_DO_8BIT 0x00040000
#define SDHCI_CAN_DO_ADMA2 0x00080000
#define SDHCI_CAN_DO_ADMA1 0x00100000
#define SDHCI_CAN_DO_HISPD 0x00200000
@@ -212,6 +216,8 @@ struct sdhci_ops {
unsigned int (*get_max_clock)(struct sdhci_host *host);
unsigned int (*get_min_clock)(struct sdhci_host *host);
unsigned int (*get_timeout_clock)(struct sdhci_host *host);
+ int (*platform_8bit_width)(struct sdhci_host *host,
+ int width);
void (*platform_send_init_74_clocks)(struct sdhci_host *host,
u8 power_mode);
unsigned int (*get_ro)(struct sdhci_host *host);
@@ -317,6 +323,7 @@ extern void sdhci_remove_host(struct sdhci_host *host, int dead);
#ifdef CONFIG_PM
extern int sdhci_suspend_host(struct sdhci_host *host, pm_message_t state);
extern int sdhci_resume_host(struct sdhci_host *host);
+extern void sdhci_enable_irq_wakeups(struct sdhci_host *host);
#endif
#endif /* __SDHCI_HW_H */
diff --git a/drivers/mmc/host/ushc.c b/drivers/mmc/host/ushc.c
index b4ead4a13c98..f8f65df9b017 100644
--- a/drivers/mmc/host/ushc.c
+++ b/drivers/mmc/host/ushc.c
@@ -425,7 +425,7 @@ static int ushc_probe(struct usb_interface *intf, const struct usb_device_id *id
struct usb_device *usb_dev = interface_to_usbdev(intf);
struct mmc_host *mmc;
struct ushc_data *ushc;
- int ret = -ENOMEM;
+ int ret;
mmc = mmc_alloc_host(sizeof(struct ushc_data), &intf->dev);
if (mmc == NULL)
@@ -462,11 +462,15 @@ static int ushc_probe(struct usb_interface *intf, const struct usb_device_id *id
mmc->max_blk_count = 511;
ushc->int_urb = usb_alloc_urb(0, GFP_KERNEL);
- if (ushc->int_urb == NULL)
+ if (ushc->int_urb == NULL) {
+ ret = -ENOMEM;
goto err;
+ }
ushc->int_data = kzalloc(sizeof(struct ushc_int_data), GFP_KERNEL);
- if (ushc->int_data == NULL)
+ if (ushc->int_data == NULL) {
+ ret = -ENOMEM;
goto err;
+ }
usb_fill_int_urb(ushc->int_urb, ushc->usb_dev,
usb_rcvintpipe(usb_dev,
intf->cur_altsetting->endpoint[0].desc.bEndpointAddress),
@@ -475,11 +479,15 @@ static int ushc_probe(struct usb_interface *intf, const struct usb_device_id *id
intf->cur_altsetting->endpoint[0].desc.bInterval);
ushc->cbw_urb = usb_alloc_urb(0, GFP_KERNEL);
- if (ushc->cbw_urb == NULL)
+ if (ushc->cbw_urb == NULL) {
+ ret = -ENOMEM;
goto err;
+ }
ushc->cbw = kzalloc(sizeof(struct ushc_cbw), GFP_KERNEL);
- if (ushc->cbw == NULL)
+ if (ushc->cbw == NULL) {
+ ret = -ENOMEM;
goto err;
+ }
ushc->cbw->signature = USHC_CBW_SIGNATURE;
usb_fill_bulk_urb(ushc->cbw_urb, ushc->usb_dev, usb_sndbulkpipe(usb_dev, 2),
@@ -487,15 +495,21 @@ static int ushc_probe(struct usb_interface *intf, const struct usb_device_id *id
cbw_callback, ushc);
ushc->data_urb = usb_alloc_urb(0, GFP_KERNEL);
- if (ushc->data_urb == NULL)
+ if (ushc->data_urb == NULL) {
+ ret = -ENOMEM;
goto err;
+ }
ushc->csw_urb = usb_alloc_urb(0, GFP_KERNEL);
- if (ushc->csw_urb == NULL)
+ if (ushc->csw_urb == NULL) {
+ ret = -ENOMEM;
goto err;
+ }
ushc->csw = kzalloc(sizeof(struct ushc_cbw), GFP_KERNEL);
- if (ushc->csw == NULL)
+ if (ushc->csw == NULL) {
+ ret = -ENOMEM;
goto err;
+ }
usb_fill_bulk_urb(ushc->csw_urb, ushc->usb_dev, usb_rcvbulkpipe(usb_dev, 6),
ushc->csw, sizeof(struct ushc_csw),
csw_callback, ushc);
generated by cgit (git 2.34.1) at 2025-11-04 03:02:20 +0000