diff options
| author | Rafał Miłecki <zajec5@gmail.com> | 2012-09-25 10:17:22 +0200 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2012-09-28 13:54:02 -0400 |
| commit | 1fd41a65f19bdabb31549af00ce23d4c5c14781a (patch) | |
| tree | 7fcb424f7ca6c58aa886062ba4ea3a81f6efde54 /drivers/bcma | |
| parent | f1b98bb367f672ee78800fa62880b522bef86eed (diff) | |
| download | linux-1fd41a65f19bdabb31549af00ce23d4c5c14781a.tar.bz2 | |
bcma: change delays to follow timers-howto guide
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Cc: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/bcma')
| -rw-r--r-- | drivers/bcma/core.c | 2 | ||||
| -rw-r--r-- | drivers/bcma/driver_chipcommon_pmu.c | 5 | ||||
| -rw-r--r-- | drivers/bcma/driver_pci.c | 6 | ||||
| -rw-r--r-- | drivers/bcma/driver_pci_host.c | 8 |
4 files changed, 12 insertions, 9 deletions
diff --git a/drivers/bcma/core.c b/drivers/bcma/core.c index 63c8b470536f..03bbe104338f 100644 --- a/drivers/bcma/core.c +++ b/drivers/bcma/core.c @@ -65,7 +65,7 @@ void bcma_core_set_clockmode(struct bcma_device *core, switch (clkmode) { case BCMA_CLKMODE_FAST: bcma_set32(core, BCMA_CLKCTLST, BCMA_CLKCTLST_FORCEHT); - udelay(64); + usleep_range(64, 300); for (i = 0; i < 1500; i++) { if (bcma_read32(core, BCMA_CLKCTLST) & BCMA_CLKCTLST_HAVEHT) { diff --git a/drivers/bcma/driver_chipcommon_pmu.c b/drivers/bcma/driver_chipcommon_pmu.c index 8b8f2f3862a2..201faf106b3f 100644 --- a/drivers/bcma/driver_chipcommon_pmu.c +++ b/drivers/bcma/driver_chipcommon_pmu.c @@ -76,7 +76,10 @@ static void bcma_pmu_resources_init(struct bcma_drv_cc *cc) if (max_msk) bcma_cc_write32(cc, BCMA_CC_PMU_MAXRES_MSK, max_msk); - /* Add some delay; allow resources to come up and settle. */ + /* + * Add some delay; allow resources to come up and settle. + * Delay is required for SoC (early init). + */ mdelay(2); } diff --git a/drivers/bcma/driver_pci.c b/drivers/bcma/driver_pci.c index c32ebd537abe..c39ee6d45850 100644 --- a/drivers/bcma/driver_pci.c +++ b/drivers/bcma/driver_pci.c @@ -51,7 +51,7 @@ static void bcma_pcie_mdio_set_phy(struct bcma_drv_pci *pc, u8 phy) v = pcicore_read32(pc, BCMA_CORE_PCI_MDIO_CONTROL); if (v & BCMA_CORE_PCI_MDIOCTL_ACCESS_DONE) break; - msleep(1); + usleep_range(1000, 2000); } } @@ -92,7 +92,7 @@ static u16 bcma_pcie_mdio_read(struct bcma_drv_pci *pc, u8 device, u8 address) ret = pcicore_read32(pc, BCMA_CORE_PCI_MDIO_DATA); break; } - msleep(1); + usleep_range(1000, 2000); } pcicore_write32(pc, BCMA_CORE_PCI_MDIO_CONTROL, 0); return ret; @@ -132,7 +132,7 @@ static void bcma_pcie_mdio_write(struct bcma_drv_pci *pc, u8 device, v = pcicore_read32(pc, BCMA_CORE_PCI_MDIO_CONTROL); if (v & BCMA_CORE_PCI_MDIOCTL_ACCESS_DONE) break; - msleep(1); + usleep_range(1000, 2000); } pcicore_write32(pc, BCMA_CORE_PCI_MDIO_CONTROL, 0); } diff --git a/drivers/bcma/driver_pci_host.c b/drivers/bcma/driver_pci_host.c index cbae2c231336..9baf886e82df 100644 --- a/drivers/bcma/driver_pci_host.c +++ b/drivers/bcma/driver_pci_host.c @@ -425,9 +425,9 @@ void __devinit bcma_core_pci_hostmode_init(struct bcma_drv_pci *pc) pc_host->io_resource.flags = IORESOURCE_IO | IORESOURCE_PCI_FIXED; /* Reset RC */ - udelay(3000); + usleep_range(3000, 5000); pcicore_write32(pc, BCMA_CORE_PCI_CTL, BCMA_CORE_PCI_CTL_RST_OE); - udelay(1000); + usleep_range(1000, 2000); pcicore_write32(pc, BCMA_CORE_PCI_CTL, BCMA_CORE_PCI_CTL_RST | BCMA_CORE_PCI_CTL_RST_OE); @@ -481,7 +481,7 @@ void __devinit bcma_core_pci_hostmode_init(struct bcma_drv_pci *pc) * before issuing configuration requests to PCI Express * devices. */ - udelay(100000); + msleep(100); bcma_core_pci_enable_crs(pc); @@ -501,7 +501,7 @@ void __devinit bcma_core_pci_hostmode_init(struct bcma_drv_pci *pc) set_io_port_base(pc_host->pci_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. */ - mdelay(10); + usleep_range(10000, 15000); register_pci_controller(&pc_host->pci_controller); return; } |