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author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-10-01 18:19:05 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-10-01 18:19:05 -0700 |
commit | 61464c8357c8f6b780e4c44f5c79471799c51ca7 (patch) | |
tree | 4509cf075403965528f380f2f825c46908fb7d4e /arch/arm/mach-tegra/board-harmony-pcie.c | |
parent | 47061eda2584b9e4516d1e3a9713406a3a559ac8 (diff) | |
parent | 9cf1c871526cf6bfec2a653e1e068ee72592542c (diff) | |
download | op-kernel-dev-61464c8357c8f6b780e4c44f5c79471799c51ca7.zip op-kernel-dev-61464c8357c8f6b780e4c44f5c79471799c51ca7.tar.gz |
Merge tag 'cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM soc general cleanups from Olof Johansson:
"This is a large branch that contains a handful of different cleanups:
- Fixing up the I/O space remapping on PCI on ARM. This is a series
from Rob Herring that restructures how all pci devices allocate I/O
space, and it's part of the work to allow multiplatform kernels.
- A number of cleanup series for OMAP, moving and removing some
headers, sparse irq rework and in general preparation for
multiplatform.
- Final removal of all non-DT boards for Tegra, it is now
device-tree-only!
- Removal of a stale platform, nxp4008. It's an old mobile chipset
that is no longer in use, and was very likely never really used
with a mainline kernel. We have not been able to find anyone
interested in keeping it around in the kernel.
- Removal of the legacy dmaengine driver on tegra
+ A handful of other things that I haven't described above."
Fix up some conflicts with the staging tree (and because nxp4008 was
removed)
* tag 'cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (184 commits)
ARM: OMAP2+: serial: Change MAX_HSUART_PORTS to 6
ARM: OMAP4: twl-common: Support for additional devices on i2c1 bus
ARM: mmp: using for_each_set_bit to simplify the code
ARM: tegra: harmony: fix ldo7 regulator-name
ARM: OMAP2+: Make omap4-keypad.h local
ARM: OMAP2+: Make l4_3xxx.h local
ARM: OMAP2+: Make l4_2xxx.h local
ARM: OMAP2+: Make l3_3xxx.h local
ARM: OMAP2+: Make l3_2xxx.h local
ARM: OMAP1: Move irda.h from plat to mach
ARM: OMAP2+: Make hdq1w.h local
ARM: OMAP2+: Make gpmc-smsc911x.h local
ARM: OMAP2+: Make gpmc-smc91x.h local
ARM: OMAP1: Move flash.h from plat to mach
ARM: OMAP2+: Make debug-devices.h local
ARM: OMAP1: Move board-voiceblue.h from plat to mach
ARM: OMAP1: Move board-sx1.h from plat to mach
ARM: OMAP2+: Make omap-wakeupgen.h local
ARM: OMAP2+: Make omap-secure.h local
ARM: OMAP2+: Make ctrl_module_wkup_44xx.h local
...
Diffstat (limited to 'arch/arm/mach-tegra/board-harmony-pcie.c')
-rw-r--r-- | arch/arm/mach-tegra/board-harmony-pcie.c | 49 |
1 files changed, 30 insertions, 19 deletions
diff --git a/arch/arm/mach-tegra/board-harmony-pcie.c b/arch/arm/mach-tegra/board-harmony-pcie.c index e8c3fda..3cdc1bb 100644 --- a/arch/arm/mach-tegra/board-harmony-pcie.c +++ b/arch/arm/mach-tegra/board-harmony-pcie.c @@ -18,35 +18,57 @@ #include <linux/kernel.h> #include <linux/gpio.h> #include <linux/err.h> +#include <linux/of_gpio.h> #include <linux/regulator/consumer.h> #include <asm/mach-types.h> #include "board.h" -#include "board-harmony.h" #ifdef CONFIG_TEGRA_PCI int __init harmony_pcie_init(void) { + struct device_node *np; + int en_vdd_1v05; struct regulator *regulator = NULL; int err; - err = gpio_request(TEGRA_GPIO_EN_VDD_1V05_GPIO, "EN_VDD_1V05"); - if (err) + np = of_find_node_by_path("/regulators/regulator@3"); + if (!np) { + pr_err("%s: of_find_node_by_path failed\n", __func__); + return -ENODEV; + } + + en_vdd_1v05 = of_get_named_gpio(np, "gpio", 0); + if (en_vdd_1v05 < 0) { + pr_err("%s: of_get_named_gpio failed: %d\n", __func__, + en_vdd_1v05); + return en_vdd_1v05; + } + + err = gpio_request(en_vdd_1v05, "EN_VDD_1V05"); + if (err) { + pr_err("%s: gpio_request failed: %d\n", __func__, err); return err; + } - gpio_direction_output(TEGRA_GPIO_EN_VDD_1V05_GPIO, 1); + gpio_direction_output(en_vdd_1v05, 1); - regulator = regulator_get(NULL, "pex_clk"); - if (IS_ERR_OR_NULL(regulator)) + regulator = regulator_get(NULL, "vdd_ldo0,vddio_pex_clk"); + if (IS_ERR_OR_NULL(regulator)) { + pr_err("%s: regulator_get failed: %d\n", __func__, + (int)PTR_ERR(regulator)); goto err_reg; + } regulator_enable(regulator); err = tegra_pcie_init(true, true); - if (err) + if (err) { + pr_err("%s: tegra_pcie_init failed: %d\n", __func__, err); goto err_pcie; + } return 0; @@ -54,20 +76,9 @@ err_pcie: regulator_disable(regulator); regulator_put(regulator); err_reg: - gpio_free(TEGRA_GPIO_EN_VDD_1V05_GPIO); + gpio_free(en_vdd_1v05); return err; } -static int __init harmony_pcie_initcall(void) -{ - if (!machine_is_harmony()) - return 0; - - return harmony_pcie_init(); -} - -/* PCI should be initialized after I2C, mfd and regulators */ -subsys_initcall_sync(harmony_pcie_initcall); - #endif |