leandrof/linux
1
0
Fork 0
forked from Minki/linux
Code Issues Pull Requests Packages Projects Releases Wiki Activity

ARM: tegra: PCIE minor code refactoring

Browse Source 
Move tegra_pcie_power_off before tegra_pcie_power_on for clean addition
of PCIE power gating

Signed-off-by: Mike Rapoport <mike@compulab.co.il>
Signed-off-by: Colin Cross <ccross@android.com>
This commit is contained in:
Mike Rapoport 2011-03-02 14:34:04 +02:00 committed by Colin Cross
parent ccac05152e
commit 1e40a97e6c
1 changed files with 9 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
arch/arm/mach-tegra/pcie.c
View File

@ -682,6 +682,15 @@ static void tegra_pcie_xclk_clamp(bool clamp)
pmc_writel(reg, PMC_SCRATCH42);
}
static void tegra_pcie_power_off(void)
{
tegra_periph_reset_assert(tegra_pcie.pcie_xclk);
tegra_periph_reset_assert(tegra_pcie.afi_clk);
tegra_periph_reset_assert(tegra_pcie.pex_clk);
tegra_pcie_xclk_clamp(true);
}
static int tegra_pcie_power_on(void)
{
tegra_pcie_xclk_clamp(true);
@ -693,15 +702,6 @@ static int tegra_pcie_power_on(void)
return clk_enable(tegra_pcie.pll_e);
}
static void tegra_pcie_power_off(void)
{
tegra_periph_reset_assert(tegra_pcie.pcie_xclk);
tegra_periph_reset_assert(tegra_pcie.afi_clk);
tegra_periph_reset_assert(tegra_pcie.pex_clk);
tegra_pcie_xclk_clamp(true);
}
static int tegra_pcie_clocks_get(void)
{
int err;