clk: socfpga: switch to GENMASK()
authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Mon, 13 Jul 2015 14:07:43 +0000 (17:07 +0300)
committerStephen Boyd <sboyd@codeaurora.org>
Tue, 28 Jul 2015 18:59:16 +0000 (11:59 -0700)
Convert the code to use GENMASK() helper instead of div_mask() macro.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Dinh Nguyen <dinguyen@opensource.altera.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
drivers/clk/socfpga/clk-gate-a10.c
drivers/clk/socfpga/clk-gate.c
drivers/clk/socfpga/clk-periph-a10.c
drivers/clk/socfpga/clk-periph.c
drivers/clk/socfpga/clk.h

index 538ca50..1cebf25 100644 (file)
@@ -39,7 +39,7 @@ static unsigned long socfpga_gate_clk_recalc_rate(struct clk_hw *hwclk,
                div = socfpgaclk->fixed_div;
        else if (socfpgaclk->div_reg) {
                val = readl(socfpgaclk->div_reg) >> socfpgaclk->shift;
-               val &= div_mask(socfpgaclk->width);
+               val &= GENMASK(socfpgaclk->width - 1, 0);
                div = (1 << val);
        }
 
index 37e0bb6..aa7a6e6 100644 (file)
@@ -105,7 +105,7 @@ static unsigned long socfpga_clk_recalc_rate(struct clk_hw *hwclk,
                div = socfpgaclk->fixed_div;
        else if (socfpgaclk->div_reg) {
                val = readl(socfpgaclk->div_reg) >> socfpgaclk->shift;
-               val &= div_mask(socfpgaclk->width);
+               val &= GENMASK(socfpgaclk->width - 1, 0);
                /* Check for GPIO_DB_CLK by its offset */
                if ((int) socfpgaclk->div_reg & SOCFPGA_GPIO_DB_CLK_OFFSET)
                        div = val + 1;
index 64f93ac..1f397cb 100644 (file)
@@ -38,7 +38,7 @@ static unsigned long clk_periclk_recalc_rate(struct clk_hw *hwclk,
                div = socfpgaclk->fixed_div;
        } else if (socfpgaclk->div_reg) {
                div = readl(socfpgaclk->div_reg) >> socfpgaclk->shift;
-               div &= div_mask(socfpgaclk->width);
+               div &= GENMASK(socfpgaclk->width - 1, 0);
                div += 1;
        } else {
                div = ((readl(socfpgaclk->hw.reg) & 0x7ff) + 1);
index ab9c816..0c66863 100644 (file)
@@ -35,7 +35,7 @@ static unsigned long clk_periclk_recalc_rate(struct clk_hw *hwclk,
        } else {
                if (socfpgaclk->div_reg) {
                        val = readl(socfpgaclk->div_reg) >> socfpgaclk->shift;
-                       val &= div_mask(socfpgaclk->width);
+                       val &= GENMASK(socfpgaclk->width - 1, 0);
                        parent_rate /= (val + 1);
                }
                div = ((readl(socfpgaclk->hw.reg) & 0x1ff) + 1);
index f421920..aa2741d 100644 (file)
@@ -26,7 +26,6 @@
 #define CLKMGR_PERPLL_SRC      0xAC
 
 #define SOCFPGA_MAX_PARENTS            5
-#define div_mask(width) ((1 << (width)) - 1)
 
 #define streq(a, b) (strcmp((a), (b)) == 0)
 #define SYSMGR_SDMMC_CTRL_SET(smplsel, drvsel) \