diff options
author | John W. Linville <linville@tuxdriver.com> | 2013-06-21 15:42:30 -0400 |
---|---|---|
committer | John W. Linville <linville@tuxdriver.com> | 2013-06-21 15:42:30 -0400 |
commit | 7d2a47aab2a511c87a96238977e04e6378969d45 (patch) | |
tree | e3765af6d4b292d8f3c013a5962324eab683a931 /drivers/bcma | |
parent | fedaf4ffc224a194e2d13a3ec2abe5df0bc94258 (diff) | |
parent | b887664d882ee4f6a67e0bf05e5f141d32fcc067 (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/Kconfig | 1 | ||||
-rw-r--r-- | drivers/bcma/core.c | 28 | ||||
-rw-r--r-- | drivers/bcma/driver_chipcommon_sflash.c | 8 |
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) { |