diff options
| author | Shiraz Hashim <shiraz.hashim@st.com> | 2011-02-16 07:40:32 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2011-03-09 09:49:44 +0000 |
| commit | 5c881d9ae9480171f01921585e1893863d7ab421 (patch) | |
| tree | 1f25afe829901e5cfc79d21d4b99b005b1e8b69c /arch/arm/plat-spear | |
| parent | 53688c51e412b7fd642e5c8eb8ba8ee19744c4ea (diff) | |
| download | linux-5c881d9ae9480171f01921585e1893863d7ab421.tar.gz linux-5c881d9ae9480171f01921585e1893863d7ab421.tar.bz2 linux-5c881d9ae9480171f01921585e1893863d7ab421.zip | |
ARM: 6737/1: SPEAr: formalized timer support
Move platform specific timer initialization code is moved into platform
specific files.
Reviewed-by: Jamie Iles <jamie@jamieiles.com>
Reviewed-by: Stanley Miao <stanley.miao@windriver.com>
Signed-off-by: Shiraz Hashim <shiraz.hashim@st.com>
Signed-off-by: Rajeev Kumar <rajeev-dlh.kumar@st.com>
Signed-off-by: Viresh Kumar <viresh.kumar@st.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/plat-spear')
| -rw-r--r-- | arch/arm/plat-spear/time.c | 21 |
1 files changed, 8 insertions, 13 deletions
diff --git a/arch/arm/plat-spear/time.c b/arch/arm/plat-spear/time.c index 839c88df9994..100672fa48e1 100644 --- a/arch/arm/plat-spear/time.c +++ b/arch/arm/plat-spear/time.c @@ -1,7 +1,7 @@ /* * arch/arm/plat-spear/time.c * - * Copyright (C) 2009 ST Microelectronics + * Copyright (C) 2010 ST Microelectronics * Shiraz Hashim<shiraz.hashim@st.com> * * This file is licensed under the terms of the GNU General Public @@ -211,7 +211,7 @@ static void __init spear_clockevent_init(void) void __init spear_setup_timer(void) { - struct clk *pll3_clk; + int ret; if (!request_mem_region(SPEAR_GPT0_BASE, SZ_1K, "gpt0")) { pr_err("%s:cannot get IO addr\n", __func__); @@ -230,26 +230,21 @@ void __init spear_setup_timer(void) goto err_iomap; } - pll3_clk = clk_get(NULL, "pll3_48m_clk"); - if (!pll3_clk) { - pr_err("%s:couldn't get PLL3 as parent for gpt\n", __func__); - goto err_iomap; + ret = clk_enable(gpt_clk); + if (ret < 0) { + pr_err("%s:couldn't enable gpt clock\n", __func__); + goto err_clk; } - clk_set_parent(gpt_clk, pll3_clk); - spear_clockevent_init(); spear_clocksource_init(); return; +err_clk: + clk_put(gpt_clk); err_iomap: iounmap(gpt_base); - err_mem: release_mem_region(SPEAR_GPT0_BASE, SZ_1K); } - -struct sys_timer spear_sys_timer = { - .init = spear_setup_timer, -}; |