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authorRafał Miłecki <zajec5@gmail.com>2012-09-25 10:17:22 +0200
committerJohn W. Linville <linville@tuxdriver.com>2012-09-28 13:54:02 -0400
commit1fd41a65f19bdabb31549af00ce23d4c5c14781a (patch)
tree7fcb424f7ca6c58aa886062ba4ea3a81f6efde54 /drivers/bcma
parentf1b98bb367f672ee78800fa62880b522bef86eed (diff)
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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.c2
-rw-r--r--drivers/bcma/driver_chipcommon_pmu.c5
-rw-r--r--drivers/bcma/driver_pci.c6
-rw-r--r--drivers/bcma/driver_pci_host.c8
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;
}