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authorJohn W. Linville <linville@tuxdriver.com>2013-06-21 15:42:30 -0400
committerJohn W. Linville <linville@tuxdriver.com>2013-06-21 15:42:30 -0400
commit7d2a47aab2a511c87a96238977e04e6378969d45 (patch)
treee3765af6d4b292d8f3c013a5962324eab683a931 /drivers/bcma
parentfedaf4ffc224a194e2d13a3ec2abe5df0bc94258 (diff)
parentb887664d882ee4f6a67e0bf05e5f141d32fcc067 (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next into for-davem
Conflicts: net/wireless/nl80211.c
Diffstat (limited to 'drivers/bcma')
-rw-r--r--drivers/bcma/Kconfig1
-rw-r--r--drivers/bcma/core.c28
-rw-r--r--drivers/bcma/driver_chipcommon_sflash.c8
3 files changed, 30 insertions, 7 deletions
diff --git a/drivers/bcma/Kconfig b/drivers/bcma/Kconfig
index 8b4221cfd11..380a2003231 100644
--- a/drivers/bcma/Kconfig
+++ b/drivers/bcma/Kconfig
@@ -26,6 +26,7 @@ config BCMA_HOST_PCI_POSSIBLE
config BCMA_HOST_PCI
bool "Support for BCMA on PCI-host bus"
depends on BCMA_HOST_PCI_POSSIBLE
+ default y
config BCMA_DRIVER_PCI_HOSTMODE
bool "Driver for PCI core working in hostmode"
diff --git a/drivers/bcma/core.c b/drivers/bcma/core.c
index 17b26ce7e05..37a5ffe673d 100644
--- a/drivers/bcma/core.c
+++ b/drivers/bcma/core.c
@@ -9,6 +9,25 @@
#include <linux/export.h>
#include <linux/bcma/bcma.h>
+static bool bcma_core_wait_value(struct bcma_device *core, u16 reg, u32 mask,
+ u32 value, int timeout)
+{
+ unsigned long deadline = jiffies + timeout;
+ u32 val;
+
+ do {
+ val = bcma_aread32(core, reg);
+ if ((val & mask) == value)
+ return true;
+ cpu_relax();
+ udelay(10);
+ } while (!time_after_eq(jiffies, deadline));
+
+ bcma_warn(core->bus, "Timeout waiting for register 0x%04X!\n", reg);
+
+ return false;
+}
+
bool bcma_core_is_enabled(struct bcma_device *core)
{
if ((bcma_aread32(core, BCMA_IOCTL) & (BCMA_IOCTL_CLK | BCMA_IOCTL_FGC))
@@ -25,13 +44,15 @@ void bcma_core_disable(struct bcma_device *core, u32 flags)
if (bcma_aread32(core, BCMA_RESET_CTL) & BCMA_RESET_CTL_RESET)
return;
- bcma_awrite32(core, BCMA_IOCTL, flags);
- bcma_aread32(core, BCMA_IOCTL);
- udelay(10);
+ bcma_core_wait_value(core, BCMA_RESET_ST, ~0, 0, 300);
bcma_awrite32(core, BCMA_RESET_CTL, BCMA_RESET_CTL_RESET);
bcma_aread32(core, BCMA_RESET_CTL);
udelay(1);
+
+ bcma_awrite32(core, BCMA_IOCTL, flags);
+ bcma_aread32(core, BCMA_IOCTL);
+ udelay(10);
}
EXPORT_SYMBOL_GPL(bcma_core_disable);
@@ -43,6 +64,7 @@ int bcma_core_enable(struct bcma_device *core, u32 flags)
bcma_aread32(core, BCMA_IOCTL);
bcma_awrite32(core, BCMA_RESET_CTL, 0);
+ bcma_aread32(core, BCMA_RESET_CTL);
udelay(1);
bcma_awrite32(core, BCMA_IOCTL, (BCMA_IOCTL_CLK | flags));
diff --git a/drivers/bcma/driver_chipcommon_sflash.c b/drivers/bcma/driver_chipcommon_sflash.c
index e6ed4fe5dce..4d07cce9c5d 100644
--- a/drivers/bcma/driver_chipcommon_sflash.c
+++ b/drivers/bcma/driver_chipcommon_sflash.c
@@ -30,7 +30,7 @@ struct bcma_sflash_tbl_e {
u16 numblocks;
};
-static struct bcma_sflash_tbl_e bcma_sflash_st_tbl[] = {
+static const struct bcma_sflash_tbl_e bcma_sflash_st_tbl[] = {
{ "M25P20", 0x11, 0x10000, 4, },
{ "M25P40", 0x12, 0x10000, 8, },
@@ -41,7 +41,7 @@ static struct bcma_sflash_tbl_e bcma_sflash_st_tbl[] = {
{ 0 },
};
-static struct bcma_sflash_tbl_e bcma_sflash_sst_tbl[] = {
+static const struct bcma_sflash_tbl_e bcma_sflash_sst_tbl[] = {
{ "SST25WF512", 1, 0x1000, 16, },
{ "SST25VF512", 0x48, 0x1000, 16, },
{ "SST25WF010", 2, 0x1000, 32, },
@@ -59,7 +59,7 @@ static struct bcma_sflash_tbl_e bcma_sflash_sst_tbl[] = {
{ 0 },
};
-static struct bcma_sflash_tbl_e bcma_sflash_at_tbl[] = {
+static const struct bcma_sflash_tbl_e bcma_sflash_at_tbl[] = {
{ "AT45DB011", 0xc, 256, 512, },
{ "AT45DB021", 0x14, 256, 1024, },
{ "AT45DB041", 0x1c, 256, 2048, },
@@ -89,7 +89,7 @@ int bcma_sflash_init(struct bcma_drv_cc *cc)
{
struct bcma_bus *bus = cc->core->bus;
struct bcma_sflash *sflash = &cc->sflash;
- struct bcma_sflash_tbl_e *e;
+ const struct bcma_sflash_tbl_e *e;
u32 id, id2;
switch (cc->capabilities & BCMA_CC_CAP_FLASHT) {