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authorIngo Molnar <mingo@elte.hu>2009-09-07 02:19:51 -0400
committerIngo Molnar <mingo@elte.hu>2009-09-07 02:19:51 -0400
commita1922ed661ab2c1637d0b10cde933bd9cd33d965 (patch)
tree0f1777542b385ebefd30b3586d830fd8ed6fda5b /arch/arm/mach-omap2/clock24xx.c
parent75e33751ca8bbb72dd6f1a74d2810ddc8cbe4bdf (diff)
parentd28daf923ac5e4a0d7cecebae56f3e339189366b (diff)
Merge branch 'tracing/core' into tracing/hw-breakpoints
Conflicts: arch/Kconfig kernel/trace/trace.h Merge reason: resolve the conflicts, plus adopt to the new ring-buffer APIs. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/arm/mach-omap2/clock24xx.c')
-rw-r--r--arch/arm/mach-omap2/clock24xx.c37
1 files changed, 35 insertions, 2 deletions
diff --git a/arch/arm/mach-omap2/clock24xx.c b/arch/arm/mach-omap2/clock24xx.c
index 44de0271fc2f..bc5d3ac66611 100644
--- a/arch/arm/mach-omap2/clock24xx.c
+++ b/arch/arm/mach-omap2/clock24xx.c
@@ -30,6 +30,7 @@
30 30
31#include <mach/clock.h> 31#include <mach/clock.h>
32#include <mach/sram.h> 32#include <mach/sram.h>
33#include <mach/prcm.h>
33#include <asm/div64.h> 34#include <asm/div64.h>
34#include <asm/clkdev.h> 35#include <asm/clkdev.h>
35 36
@@ -43,6 +44,18 @@
43static const struct clkops clkops_oscck; 44static const struct clkops clkops_oscck;
44static const struct clkops clkops_fixed; 45static const struct clkops clkops_fixed;
45 46
47static void omap2430_clk_i2chs_find_idlest(struct clk *clk,
48 void __iomem **idlest_reg,
49 u8 *idlest_bit);
50
51/* 2430 I2CHS has non-standard IDLEST register */
52static const struct clkops clkops_omap2430_i2chs_wait = {
53 .enable = omap2_dflt_clk_enable,
54 .disable = omap2_dflt_clk_disable,
55 .find_idlest = omap2430_clk_i2chs_find_idlest,
56 .find_companion = omap2_clk_dflt_find_companion,
57};
58
46#include "clock24xx.h" 59#include "clock24xx.h"
47 60
48struct omap_clk { 61struct omap_clk {
@@ -240,6 +253,26 @@ static void __iomem *prcm_clksrc_ctrl;
240 *-------------------------------------------------------------------------*/ 253 *-------------------------------------------------------------------------*/
241 254
242/** 255/**
256 * omap2430_clk_i2chs_find_idlest - return CM_IDLEST info for 2430 I2CHS
257 * @clk: struct clk * being enabled
258 * @idlest_reg: void __iomem ** to store CM_IDLEST reg address into
259 * @idlest_bit: pointer to a u8 to store the CM_IDLEST bit shift into
260 *
261 * OMAP2430 I2CHS CM_IDLEST bits are in CM_IDLEST1_CORE, but the
262 * CM_*CLKEN bits are in CM_{I,F}CLKEN2_CORE. This custom function
263 * passes back the correct CM_IDLEST register address for I2CHS
264 * modules. No return value.
265 */
266static void omap2430_clk_i2chs_find_idlest(struct clk *clk,
267 void __iomem **idlest_reg,
268 u8 *idlest_bit)
269{
270 *idlest_reg = OMAP_CM_REGADDR(CORE_MOD, CM_IDLEST);
271 *idlest_bit = clk->enable_bit;
272}
273
274
275/**
243 * omap2xxx_clk_get_core_rate - return the CORE_CLK rate 276 * omap2xxx_clk_get_core_rate - return the CORE_CLK rate
244 * @clk: pointer to the combined dpll_ck + core_ck (currently "dpll_ck") 277 * @clk: pointer to the combined dpll_ck + core_ck (currently "dpll_ck")
245 * 278 *
@@ -325,8 +358,8 @@ static int omap2_clk_fixed_enable(struct clk *clk)
325 else if (clk == &apll54_ck) 358 else if (clk == &apll54_ck)
326 cval = OMAP24XX_ST_54M_APLL; 359 cval = OMAP24XX_ST_54M_APLL;
327 360
328 omap2_wait_clock_ready(OMAP_CM_REGADDR(PLL_MOD, CM_IDLEST), cval, 361 omap2_cm_wait_idlest(OMAP_CM_REGADDR(PLL_MOD, CM_IDLEST), cval,
329 clk->name); 362 clk->name);
330 363
331 /* 364 /*
332 * REVISIT: Should we return an error code if omap2_wait_clock_ready() 365 * REVISIT: Should we return an error code if omap2_wait_clock_ready()