From 188ff65d49dadf7b0e9b6718abc3fe98a5098711 Mon Sep 17 00:00:00 2001 From: Haavard Skinnemoen Date: Wed, 14 Mar 2007 13:23:44 +0100 Subject: [PATCH] [AVR32] Don't enable clocks with no users Bring the code that sets the initial PM clock masks in line with the comment preceding it by only enabling clocks that have users != 0. Fix SM clock definition and avr32_hpt_init() so that the SM and TC0 clocks keep ticking. Signed-off-by: Haavard Skinnemoen --- arch/avr32/mach-at32ap/at32ap7000.c | 14 +++++++++++++- arch/avr32/mach-at32ap/time-tc.c | 1 + 2 files changed, 14 insertions(+), 1 deletion(-) diff --git a/arch/avr32/mach-at32ap/at32ap7000.c b/arch/avr32/mach-at32ap/at32ap7000.c index 6eeda60b8288..56db45b99a0f 100644 --- a/arch/avr32/mach-at32ap/at32ap7000.c +++ b/arch/avr32/mach-at32ap/at32ap7000.c @@ -417,7 +417,15 @@ struct platform_device at32_sm_device = { .resource = sm_resource, .num_resources = ARRAY_SIZE(sm_resource), }; -DEV_CLK(pclk, at32_sm, pbb, 0); +static struct clk at32_sm_pclk = { + .name = "pclk", + .dev = &at32_sm_device.dev, + .parent = &pbb_clk, + .mode = pbb_clk_mode, + .get_rate = pbb_clk_get_rate, + .users = 1, + .index = 0, +}; static struct resource intc0_resource[] = { PBMEM(0xfff00400), @@ -443,6 +451,7 @@ static struct clk hramc_clk = { .mode = hsb_clk_mode, .get_rate = hsb_clk_get_rate, .users = 1, + .index = 3, }; static struct resource smc0_resource[] = { @@ -1080,6 +1089,9 @@ void __init at32_clock_init(void) for (i = 0; i < ARRAY_SIZE(at32_clock_list); i++) { struct clk *clk = at32_clock_list[i]; + if (clk->users == 0) + continue; + if (clk->mode == &cpu_clk_mode) cpu_mask |= 1 << clk->index; else if (clk->mode == &hsb_clk_mode) diff --git a/arch/avr32/mach-at32ap/time-tc.c b/arch/avr32/mach-at32ap/time-tc.c index 7ac0e94d8ed5..e3070bdd4bb9 100644 --- a/arch/avr32/mach-at32ap/time-tc.c +++ b/arch/avr32/mach-at32ap/time-tc.c @@ -135,6 +135,7 @@ int avr32_hpt_init(unsigned int count) pr_debug("timer: could not get clk: %ld\n", PTR_ERR(pclk)); goto out_error; } + clk_enable(pclk); regs = platform_get_resource(&at32_systc0_device, IORESOURCE_MEM, 0); if (!regs) { -- 2.30.2