summaryrefslogtreecommitdiffstats
path: root/drivers/ssb
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/ssb')
-rw-r--r--drivers/ssb/driver_gpio.c6
-rw-r--r--drivers/ssb/driver_pcicore.c18
-rw-r--r--drivers/ssb/main.c36
-rw-r--r--drivers/ssb/pci.c16
-rw-r--r--drivers/ssb/pcmcia.c16
-rw-r--r--drivers/ssb/scan.c1
-rw-r--r--drivers/ssb/sdio.c1
7 files changed, 52 insertions, 42 deletions
diff --git a/drivers/ssb/driver_gpio.c b/drivers/ssb/driver_gpio.c
index 66a76fd83248..2de3896489c8 100644
--- a/drivers/ssb/driver_gpio.c
+++ b/drivers/ssb/driver_gpio.c
@@ -231,7 +231,8 @@ static int ssb_gpio_chipco_init(struct ssb_bus *bus)
chip->ngpio = 16;
/* There is just one SoC in one device and its GPIO addresses should be
* deterministic to address them more easily. The other buses could get
- * a random base number. */
+ * a random base number.
+ */
if (bus->bustype == SSB_BUSTYPE_SSB)
chip->base = 0;
else
@@ -424,7 +425,8 @@ static int ssb_gpio_extif_init(struct ssb_bus *bus)
chip->ngpio = 5;
/* There is just one SoC in one device and its GPIO addresses should be
* deterministic to address them more easily. The other buses could get
- * a random base number. */
+ * a random base number.
+ */
if (bus->bustype == SSB_BUSTYPE_SSB)
chip->base = 0;
else
diff --git a/drivers/ssb/driver_pcicore.c b/drivers/ssb/driver_pcicore.c
index c1186415896b..d11b4242b6d2 100644
--- a/drivers/ssb/driver_pcicore.c
+++ b/drivers/ssb/driver_pcicore.c
@@ -55,7 +55,8 @@ void pcicore_write16(struct ssb_pcicore *pc, u16 offset, u16 value)
#include <asm/paccess.h>
/* Probe a 32bit value on the bus and catch bus exceptions.
* Returns nonzero on a bus exception.
- * This is MIPS specific */
+ * This is MIPS specific
+ */
#define mips_busprobe32(val, addr) get_dbe((val), ((u32 *)(addr)))
/* Assume one-hot slot wiring */
@@ -255,7 +256,8 @@ static struct pci_controller ssb_pcicore_controller = {
};
/* This function is called when doing a pci_enable_device().
- * We must first check if the device is a device on the PCI-core bridge. */
+ * We must first check if the device is a device on the PCI-core bridge.
+ */
int ssb_pcicore_plat_dev_init(struct pci_dev *d)
{
if (d->bus->ops != &ssb_pcicore_pciops) {
@@ -381,11 +383,13 @@ static void ssb_pcicore_init_hostmode(struct ssb_pcicore *pc)
/* Ok, ready to run, register it to the system.
* The following needs change, if we want to port hostmode
- * to non-MIPS platform. */
+ * to non-MIPS platform.
+ */
ssb_pcicore_controller.io_map_base = (unsigned long)ioremap(SSB_PCI_MEM, 0x04000000);
set_io_port_base(ssb_pcicore_controller.io_map_base);
/* Give some time to the PCI controller to configure itself with the new
- * values. Not waiting at this point causes crashes of the machine. */
+ * values. Not waiting at this point causes crashes of the machine.
+ */
mdelay(10);
register_pci_controller(&ssb_pcicore_controller);
}
@@ -405,7 +409,8 @@ static int pcicore_is_in_hostmode(struct ssb_pcicore *pc)
return 0;
/* The 200-pin BCM4712 package does not bond out PCI. Even when
- * PCI is bonded out, some boards may leave the pins floating. */
+ * PCI is bonded out, some boards may leave the pins floating.
+ */
if (bus->chip_id == 0x4712) {
if (bus->chip_package == SSB_CHIPPACK_BCM4712S)
return 0;
@@ -685,7 +690,8 @@ int ssb_pcicore_dev_irqvecs_enable(struct ssb_pcicore *pc,
if (dev->bus->bustype != SSB_BUSTYPE_PCI) {
/* This SSB device is not on a PCI host-bus. So the IRQs are
* not routed through the PCI core.
- * So we must not enable routing through the PCI core. */
+ * So we must not enable routing through the PCI core.
+ */
goto out;
}
diff --git a/drivers/ssb/main.c b/drivers/ssb/main.c
index 0a26984acb2c..3a29b5570f9f 100644
--- a/drivers/ssb/main.c
+++ b/drivers/ssb/main.c
@@ -37,7 +37,8 @@ static LIST_HEAD(buses);
/* Software ID counter */
static unsigned int next_busnumber;
/* buses_mutes locks the two buslists and the next_busnumber.
- * Don't lock this directly, but use ssb_buses_[un]lock() below. */
+ * Don't lock this directly, but use ssb_buses_[un]lock() below.
+ */
static DEFINE_MUTEX(buses_mutex);
/* There are differences in the codeflow, if the bus is
@@ -45,7 +46,8 @@ static DEFINE_MUTEX(buses_mutex);
* are not available early. This is a mechanism to delay
* these initializations to after early boot has finished.
* It's also used to avoid mutex locking, as that's not
- * available and needed early. */
+ * available and needed early.
+ */
static bool ssb_is_early_boot = 1;
static void ssb_buses_lock(void);
@@ -161,7 +163,8 @@ int ssb_bus_resume(struct ssb_bus *bus)
int err;
/* Reset HW state information in memory, so that HW is
- * completely reinitialized. */
+ * completely reinitialized.
+ */
bus->mapped_device = NULL;
#ifdef CONFIG_SSB_DRIVER_PCICORE
bus->pcicore.setup_done = 0;
@@ -431,9 +434,7 @@ void ssb_bus_unregister(struct ssb_bus *bus)
int err;
err = ssb_gpio_unregister(bus);
- if (err == -EBUSY)
- pr_debug("Some GPIOs are still in use\n");
- else if (err)
+ if (err)
pr_debug("Can not unregister GPIO driver: %i\n", err);
ssb_buses_lock();
@@ -467,7 +468,8 @@ static int ssb_devices_register(struct ssb_bus *bus)
sdev = &(bus->devices[i]);
/* We don't register SSB-system devices to the kernel,
- * as the drivers for them are built into SSB. */
+ * as the drivers for them are built into SSB.
+ */
switch (sdev->id.coreid) {
case SSB_DEV_CHIPCOMMON:
case SSB_DEV_PCI:
@@ -521,7 +523,8 @@ static int ssb_devices_register(struct ssb_bus *bus)
if (err) {
pr_err("Could not register %s\n", dev_name(dev));
/* Set dev to NULL to not unregister
- * dev on error unwinding. */
+ * dev on error unwinding.
+ */
sdev->dev = NULL;
put_device(dev);
goto error;
@@ -667,7 +670,8 @@ ssb_bus_register(struct ssb_bus *bus,
ssb_bus_may_powerdown(bus);
/* Queue it for attach.
- * See the comment at the ssb_is_early_boot definition. */
+ * See the comment at the ssb_is_early_boot definition.
+ */
list_add_tail(&bus->list, &attach_queue);
if (!ssb_is_early_boot) {
/* This is not early boot, so we must attach the bus now */
@@ -1007,7 +1011,8 @@ static void ssb_flush_tmslow(struct ssb_device *dev)
* a machine check exception otherwise.
* Do this by reading the register back to commit the
* PCI write and delay an additional usec for the device
- * to react to the change. */
+ * to react to the change.
+ */
ssb_read32(dev, SSB_TMSLOW);
udelay(1);
}
@@ -1044,7 +1049,8 @@ void ssb_device_enable(struct ssb_device *dev, u32 core_specific_flags)
EXPORT_SYMBOL(ssb_device_enable);
/* Wait for bitmask in a register to get set or cleared.
- * timeout is in units of ten-microseconds */
+ * timeout is in units of ten-microseconds
+ */
static int ssb_wait_bits(struct ssb_device *dev, u16 reg, u32 bitmask,
int timeout, int set)
{
@@ -1153,7 +1159,8 @@ int ssb_bus_may_powerdown(struct ssb_bus *bus)
/* On buses where more than one core may be working
* at a time, we must not powerdown stuff if there are
- * still cores that may want to run. */
+ * still cores that may want to run.
+ */
if (bus->bustype == SSB_BUSTYPE_SSB)
goto out;
@@ -1303,13 +1310,11 @@ static int __init ssb_modinit(void)
if (err) {
pr_err("Broadcom 43xx PCI-SSB-bridge initialization failed\n");
/* don't fail SSB init because of this */
- err = 0;
}
err = ssb_host_pcmcia_init();
if (err) {
pr_err("PCMCIA host initialization failed\n");
/* don't fail SSB init because of this */
- err = 0;
}
err = ssb_gige_init();
if (err) {
@@ -1322,7 +1327,8 @@ out:
}
/* ssb must be initialized after PCI but before the ssb drivers.
* That means we must use some initcall between subsys_initcall
- * and device_initcall. */
+ * and device_initcall.
+ */
fs_initcall(ssb_modinit);
static void __exit ssb_modexit(void)
diff --git a/drivers/ssb/pci.c b/drivers/ssb/pci.c
index dac54041ad8d..148bcb99c212 100644
--- a/drivers/ssb/pci.c
+++ b/drivers/ssb/pci.c
@@ -1117,9 +1117,9 @@ const struct ssb_bus_ops ssb_pci_ops = {
#endif
};
-static ssize_t ssb_pci_attr_sprom_show(struct device *pcidev,
- struct device_attribute *attr,
- char *buf)
+static ssize_t ssb_sprom_show(struct device *pcidev,
+ struct device_attribute *attr,
+ char *buf)
{
struct pci_dev *pdev = container_of(pcidev, struct pci_dev, dev);
struct ssb_bus *bus;
@@ -1131,9 +1131,9 @@ static ssize_t ssb_pci_attr_sprom_show(struct device *pcidev,
return ssb_attr_sprom_show(bus, buf, sprom_do_read);
}
-static ssize_t ssb_pci_attr_sprom_store(struct device *pcidev,
- struct device_attribute *attr,
- const char *buf, size_t count)
+static ssize_t ssb_sprom_store(struct device *pcidev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
{
struct pci_dev *pdev = container_of(pcidev, struct pci_dev, dev);
struct ssb_bus *bus;
@@ -1146,9 +1146,7 @@ static ssize_t ssb_pci_attr_sprom_store(struct device *pcidev,
sprom_check_crc, sprom_do_write);
}
-static DEVICE_ATTR(ssb_sprom, 0600,
- ssb_pci_attr_sprom_show,
- ssb_pci_attr_sprom_store);
+static DEVICE_ATTR_ADMIN_RW(ssb_sprom);
void ssb_pci_exit(struct ssb_bus *bus)
{
diff --git a/drivers/ssb/pcmcia.c b/drivers/ssb/pcmcia.c
index d7d730c245c5..45502098e0c7 100644
--- a/drivers/ssb/pcmcia.c
+++ b/drivers/ssb/pcmcia.c
@@ -723,9 +723,9 @@ int ssb_pcmcia_get_invariants(struct ssb_bus *bus,
return -ENODEV;
}
-static ssize_t ssb_pcmcia_attr_sprom_show(struct device *pcmciadev,
- struct device_attribute *attr,
- char *buf)
+static ssize_t ssb_sprom_show(struct device *pcmciadev,
+ struct device_attribute *attr,
+ char *buf)
{
struct pcmcia_device *pdev =
container_of(pcmciadev, struct pcmcia_device, dev);
@@ -739,9 +739,9 @@ static ssize_t ssb_pcmcia_attr_sprom_show(struct device *pcmciadev,
ssb_pcmcia_sprom_read_all);
}
-static ssize_t ssb_pcmcia_attr_sprom_store(struct device *pcmciadev,
- struct device_attribute *attr,
- const char *buf, size_t count)
+static ssize_t ssb_sprom_store(struct device *pcmciadev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
{
struct pcmcia_device *pdev =
container_of(pcmciadev, struct pcmcia_device, dev);
@@ -756,9 +756,7 @@ static ssize_t ssb_pcmcia_attr_sprom_store(struct device *pcmciadev,
ssb_pcmcia_sprom_write_all);
}
-static DEVICE_ATTR(ssb_sprom, 0600,
- ssb_pcmcia_attr_sprom_show,
- ssb_pcmcia_attr_sprom_store);
+static DEVICE_ATTR_ADMIN_RW(ssb_sprom);
static int ssb_pcmcia_cor_setup(struct ssb_bus *bus, u8 cor)
{
diff --git a/drivers/ssb/scan.c b/drivers/ssb/scan.c
index f49ab1aa2149..4161e5d1f276 100644
--- a/drivers/ssb/scan.c
+++ b/drivers/ssb/scan.c
@@ -325,6 +325,7 @@ int ssb_bus_scan(struct ssb_bus *bus,
if (bus->nr_devices > ARRAY_SIZE(bus->devices)) {
pr_err("More than %d ssb cores found (%d)\n",
SSB_MAX_NR_CORES, bus->nr_devices);
+ err = -EINVAL;
goto err_unmap;
}
if (bus->bustype == SSB_BUSTYPE_SSB) {
diff --git a/drivers/ssb/sdio.c b/drivers/ssb/sdio.c
index 7fe0afb42234..66c5c2169704 100644
--- a/drivers/ssb/sdio.c
+++ b/drivers/ssb/sdio.c
@@ -411,7 +411,6 @@ static void ssb_sdio_block_write(struct ssb_device *dev, const void *buffer,
sdio_claim_host(bus->host_sdio);
if (unlikely(ssb_sdio_switch_core(bus, dev))) {
error = -EIO;
- memset((void *)buffer, 0xff, count);
goto err_out;
}
offset |= bus->sdio_sbaddr & 0xffff;
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-27 01:52:15 +0100