xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

clk: mxs: remove the use of mach level IO accessor

Browse Source 
It removes the use of mach level IO accessor __mxs_setl/clrl, and hence
removes mach header inclusion from clock driver.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Acked-by: Mike Turquette <mturquette@linaro.org>
This commit is contained in:
Shawn Guo
2013-03-26 21:22:55 +08:00
parent 38d6590f0f
commit 0c672aae28
2 changed files with 11 additions and 13 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
drivers/clk/mxs/clk-imx28.c
View File

@@ -16,7 +16,6 @@
#include <linux/io.h>
#include <linux/of.h>
#include <linux/of_address.h>
#include <mach/mx28.h>
#include "clk.h"
static void __iomem *clkctrl;
@@ -75,8 +74,8 @@ int mxs_saif_clkmux_select(unsigned int clkmux)
if (clkmux > 0x3)
return -EINVAL;
__mxs_clrl(0x3 << BP_SAIF_CLKMUX, DIGCTRL);
__mxs_setl(clkmux << BP_SAIF_CLKMUX, DIGCTRL);
writel_relaxed(0x3 << BP_SAIF_CLKMUX, DIGCTRL + CLR);
writel_relaxed(clkmux << BP_SAIF_CLKMUX, DIGCTRL + SET);
return 0;
}
@@ -86,13 +85,13 @@ static void __init clk_misc_init(void)
u32 val;
/* Gate off cpu clock in WFI for power saving */
__mxs_setl(1 << BP_CPU_INTERRUPT_WAIT, CPU);
writel_relaxed(1 << BP_CPU_INTERRUPT_WAIT, CPU + SET);
/* 0 is a bad default value for a divider */
__mxs_setl(1 << BP_ENET_DIV_TIME, ENET);
writel_relaxed(1 << BP_ENET_DIV_TIME, ENET + SET);
/* Clear BYPASS for SAIF */
__mxs_clrl(0x3 << BP_CLKSEQ_BYPASS_SAIF0, CLKSEQ);
writel_relaxed(0x3 << BP_CLKSEQ_BYPASS_SAIF0, CLKSEQ + CLR);
/* SAIF has to use frac div for functional operation */
val = readl_relaxed(SAIF0);
@@ -112,7 +111,7 @@ static void __init clk_misc_init(void)
* Source ssp clock from ref_io than ref_xtal,
* as ref_xtal only provides 24 MHz as maximum.
*/
__mxs_clrl(0xf << BP_CLKSEQ_BYPASS_SSP0, CLKSEQ);
writel_relaxed(0xf << BP_CLKSEQ_BYPASS_SSP0, CLKSEQ + CLR);
/*
* 480 MHz seems too high to be ssp clock source directly,