]> git.kernelconcepts.de Git - karo-tx-linux.git/commitdiff
Merge tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...
authorLinus Torvalds <torvalds@linux-foundation.org>
Sat, 10 Oct 2015 00:33:15 +0000 (17:33 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Sat, 10 Oct 2015 00:33:15 +0000 (17:33 -0700)
Pull clk fixes from Stephen Boyd:
 "A Samsung driver fix and a handful of TI driver fixes"

* tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
  clk: ti: dflt: fix enable_reg validity check
  clk: ti: fix dual-registration of uart4_ick
  clk: ti: clk-7xx: Remove hardwired ABE clock configuration
  clk: samsung: fix cpu clock's flags checking

drivers/clk/samsung/clk-cpu.c
drivers/clk/ti/clk-3xxx.c
drivers/clk/ti/clk-7xx.c
drivers/clk/ti/clkt_dflt.c

index 7c1e1f58e2da2e7dc7909fce407bc477651add3a..2fe37f708dc70828ffa10fc165ecc830fff49c86 100644 (file)
@@ -164,7 +164,7 @@ static int exynos_cpuclk_pre_rate_change(struct clk_notifier_data *ndata,
         * the values for DIV_COPY and DIV_HPM dividers need not be set.
         */
        div0 = cfg_data->div0;
-       if (test_bit(CLK_CPU_HAS_DIV1, &cpuclk->flags)) {
+       if (cpuclk->flags & CLK_CPU_HAS_DIV1) {
                div1 = cfg_data->div1;
                if (readl(base + E4210_SRC_CPU) & E4210_MUX_HPM_MASK)
                        div1 = readl(base + E4210_DIV_CPU1) &
@@ -185,7 +185,7 @@ static int exynos_cpuclk_pre_rate_change(struct clk_notifier_data *ndata,
                alt_div = DIV_ROUND_UP(alt_prate, tmp_rate) - 1;
                WARN_ON(alt_div >= MAX_DIV);
 
-               if (test_bit(CLK_CPU_NEEDS_DEBUG_ALT_DIV, &cpuclk->flags)) {
+               if (cpuclk->flags & CLK_CPU_NEEDS_DEBUG_ALT_DIV) {
                        /*
                         * In Exynos4210, ATB clock parent is also mout_core. So
                         * ATB clock also needs to be mantained at safe speed.
@@ -206,7 +206,7 @@ static int exynos_cpuclk_pre_rate_change(struct clk_notifier_data *ndata,
        writel(div0, base + E4210_DIV_CPU0);
        wait_until_divider_stable(base + E4210_DIV_STAT_CPU0, DIV_MASK_ALL);
 
-       if (test_bit(CLK_CPU_HAS_DIV1, &cpuclk->flags)) {
+       if (cpuclk->flags & CLK_CPU_HAS_DIV1) {
                writel(div1, base + E4210_DIV_CPU1);
                wait_until_divider_stable(base + E4210_DIV_STAT_CPU1,
                                DIV_MASK_ALL);
@@ -225,7 +225,7 @@ static int exynos_cpuclk_post_rate_change(struct clk_notifier_data *ndata,
        unsigned long mux_reg;
 
        /* find out the divider values to use for clock data */
-       if (test_bit(CLK_CPU_NEEDS_DEBUG_ALT_DIV, &cpuclk->flags)) {
+       if (cpuclk->flags & CLK_CPU_NEEDS_DEBUG_ALT_DIV) {
                while ((cfg_data->prate * 1000) != ndata->new_rate) {
                        if (cfg_data->prate == 0)
                                return -EINVAL;
@@ -240,7 +240,7 @@ static int exynos_cpuclk_post_rate_change(struct clk_notifier_data *ndata,
        writel(mux_reg & ~(1 << 16), base + E4210_SRC_CPU);
        wait_until_mux_stable(base + E4210_STAT_CPU, 16, 1);
 
-       if (test_bit(CLK_CPU_NEEDS_DEBUG_ALT_DIV, &cpuclk->flags)) {
+       if (cpuclk->flags & CLK_CPU_NEEDS_DEBUG_ALT_DIV) {
                div |= (cfg_data->div0 & E4210_DIV0_ATB_MASK);
                div_mask |= E4210_DIV0_ATB_MASK;
        }
index 676ee8f6d8136729a9665cfb9c29e7faed123781..8831e1a05367ad9c7473e3ee723adc3f29dc9936 100644 (file)
@@ -374,7 +374,6 @@ static struct ti_dt_clk omap3xxx_clks[] = {
        DT_CLK(NULL, "gpio2_ick", "gpio2_ick"),
        DT_CLK(NULL, "wdt3_ick", "wdt3_ick"),
        DT_CLK(NULL, "uart3_ick", "uart3_ick"),
-       DT_CLK(NULL, "uart4_ick", "uart4_ick"),
        DT_CLK(NULL, "gpt9_ick", "gpt9_ick"),
        DT_CLK(NULL, "gpt8_ick", "gpt8_ick"),
        DT_CLK(NULL, "gpt7_ick", "gpt7_ick"),
@@ -519,6 +518,7 @@ static struct ti_dt_clk am35xx_clks[] = {
 static struct ti_dt_clk omap36xx_clks[] = {
        DT_CLK(NULL, "omap_192m_alwon_fck", "omap_192m_alwon_fck"),
        DT_CLK(NULL, "uart4_fck", "uart4_fck"),
+       DT_CLK(NULL, "uart4_ick", "uart4_ick"),
        { .node_name = NULL },
 };
 
index 9b5b289e633456206e81268d00bc212a7f9f62cc..a911d7de33778d7bc7648e59f0ee60c1a6c83027 100644 (file)
@@ -18,7 +18,6 @@
 
 #include "clock.h"
 
-#define DRA7_DPLL_ABE_DEFFREQ                          180633600
 #define DRA7_DPLL_GMAC_DEFFREQ                         1000000000
 #define DRA7_DPLL_USB_DEFFREQ                          960000000
 
@@ -313,27 +312,12 @@ static struct ti_dt_clk dra7xx_clks[] = {
 int __init dra7xx_dt_clk_init(void)
 {
        int rc;
-       struct clk *abe_dpll_mux, *sys_clkin2, *dpll_ck, *hdcp_ck;
+       struct clk *dpll_ck, *hdcp_ck;
 
        ti_dt_clocks_register(dra7xx_clks);
 
        omap2_clk_disable_autoidle_all();
 
-       abe_dpll_mux = clk_get_sys(NULL, "abe_dpll_sys_clk_mux");
-       sys_clkin2 = clk_get_sys(NULL, "sys_clkin2");
-       dpll_ck = clk_get_sys(NULL, "dpll_abe_ck");
-
-       rc = clk_set_parent(abe_dpll_mux, sys_clkin2);
-       if (!rc)
-               rc = clk_set_rate(dpll_ck, DRA7_DPLL_ABE_DEFFREQ);
-       if (rc)
-               pr_err("%s: failed to configure ABE DPLL!\n", __func__);
-
-       dpll_ck = clk_get_sys(NULL, "dpll_abe_m2x2_ck");
-       rc = clk_set_rate(dpll_ck, DRA7_DPLL_ABE_DEFFREQ * 2);
-       if (rc)
-               pr_err("%s: failed to configure ABE DPLL m2x2!\n", __func__);
-
        dpll_ck = clk_get_sys(NULL, "dpll_gmac_ck");
        rc = clk_set_rate(dpll_ck, DRA7_DPLL_GMAC_DEFFREQ);
        if (rc)
index 90d7d8a21c4918d52b910fab900e78acd68c5aad..1ddc288fce4eb123e63d941971bc94bff41f69a5 100644 (file)
@@ -222,7 +222,7 @@ int omap2_dflt_clk_enable(struct clk_hw *hw)
                }
        }
 
-       if (unlikely(!clk->enable_reg)) {
+       if (unlikely(IS_ERR(clk->enable_reg))) {
                pr_err("%s: %s missing enable_reg\n", __func__,
                       clk_hw_get_name(hw));
                ret = -EINVAL;
@@ -264,7 +264,7 @@ void omap2_dflt_clk_disable(struct clk_hw *hw)
        u32 v;
 
        clk = to_clk_hw_omap(hw);
-       if (!clk->enable_reg) {
+       if (IS_ERR(clk->enable_reg)) {
                /*
                 * 'independent' here refers to a clock which is not
                 * controlled by its parent.