diff options
Diffstat (limited to 'drivers/clk/bcm/clk-bcm2835.c')
| -rw-r--r-- | drivers/clk/bcm/clk-bcm2835.c | 42 |
1 files changed, 18 insertions, 24 deletions
diff --git a/drivers/clk/bcm/clk-bcm2835.c b/drivers/clk/bcm/clk-bcm2835.c index 6d4e69edfb36..9e0b2f2b48e7 100644 --- a/drivers/clk/bcm/clk-bcm2835.c +++ b/drivers/clk/bcm/clk-bcm2835.c @@ -394,25 +394,21 @@ out: return count * 1000; } -static int bcm2835_debugfs_regset(struct bcm2835_cprman *cprman, u32 base, +static void bcm2835_debugfs_regset(struct bcm2835_cprman *cprman, u32 base, struct debugfs_reg32 *regs, size_t nregs, struct dentry *dentry) { - struct dentry *regdump; struct debugfs_regset32 *regset; regset = devm_kzalloc(cprman->dev, sizeof(*regset), GFP_KERNEL); if (!regset) - return -ENOMEM; + return; regset->regs = regs; regset->nregs = nregs; regset->base = cprman->regs + base; - regdump = debugfs_create_regset32("regdump", S_IRUGO, dentry, - regset); - - return regdump ? 0 : -ENOMEM; + debugfs_create_regset32("regdump", S_IRUGO, dentry, regset); } struct bcm2835_pll_data { @@ -730,7 +726,7 @@ static int bcm2835_pll_set_rate(struct clk_hw *hw, return 0; } -static int bcm2835_pll_debug_init(struct clk_hw *hw, +static void bcm2835_pll_debug_init(struct clk_hw *hw, struct dentry *dentry) { struct bcm2835_pll *pll = container_of(hw, struct bcm2835_pll, hw); @@ -740,7 +736,7 @@ static int bcm2835_pll_debug_init(struct clk_hw *hw, regs = devm_kzalloc(cprman->dev, 7 * sizeof(*regs), GFP_KERNEL); if (!regs) - return -ENOMEM; + return; regs[0].name = "cm_ctrl"; regs[0].offset = data->cm_ctrl_reg; @@ -757,7 +753,7 @@ static int bcm2835_pll_debug_init(struct clk_hw *hw, regs[6].name = "ana3"; regs[6].offset = data->ana_reg_base + 3 * 4; - return bcm2835_debugfs_regset(cprman, 0, regs, 7, dentry); + bcm2835_debugfs_regset(cprman, 0, regs, 7, dentry); } static const struct clk_ops bcm2835_pll_clk_ops = { @@ -861,8 +857,8 @@ static int bcm2835_pll_divider_set_rate(struct clk_hw *hw, return 0; } -static int bcm2835_pll_divider_debug_init(struct clk_hw *hw, - struct dentry *dentry) +static void bcm2835_pll_divider_debug_init(struct clk_hw *hw, + struct dentry *dentry) { struct bcm2835_pll_divider *divider = bcm2835_pll_divider_from_hw(hw); struct bcm2835_cprman *cprman = divider->cprman; @@ -871,14 +867,14 @@ static int bcm2835_pll_divider_debug_init(struct clk_hw *hw, regs = devm_kzalloc(cprman->dev, 7 * sizeof(*regs), GFP_KERNEL); if (!regs) - return -ENOMEM; + return; regs[0].name = "cm"; regs[0].offset = data->cm_reg; regs[1].name = "a2w"; regs[1].offset = data->a2w_reg; - return bcm2835_debugfs_regset(cprman, 0, regs, 2, dentry); + bcm2835_debugfs_regset(cprman, 0, regs, 2, dentry); } static const struct clk_ops bcm2835_pll_divider_clk_ops = { @@ -1254,15 +1250,14 @@ static struct debugfs_reg32 bcm2835_debugfs_clock_reg32[] = { }, }; -static int bcm2835_clock_debug_init(struct clk_hw *hw, +static void bcm2835_clock_debug_init(struct clk_hw *hw, struct dentry *dentry) { struct bcm2835_clock *clock = bcm2835_clock_from_hw(hw); struct bcm2835_cprman *cprman = clock->cprman; const struct bcm2835_clock_data *data = clock->data; - return bcm2835_debugfs_regset( - cprman, data->ctl_reg, + bcm2835_debugfs_regset(cprman, data->ctl_reg, bcm2835_debugfs_clock_reg32, ARRAY_SIZE(bcm2835_debugfs_clock_reg32), dentry); @@ -1395,7 +1390,7 @@ static struct clk_hw *bcm2835_register_clock(struct bcm2835_cprman *cprman, struct bcm2835_clock *clock; struct clk_init_data init; const char *parents[1 << CM_SRC_BITS]; - size_t i, j; + size_t i; int ret; /* @@ -1405,12 +1400,11 @@ static struct clk_hw *bcm2835_register_clock(struct bcm2835_cprman *cprman, for (i = 0; i < data->num_mux_parents; i++) { parents[i] = data->parents[i]; - for (j = 0; j < ARRAY_SIZE(cprman_parent_names); j++) { - if (strcmp(parents[i], cprman_parent_names[j]) == 0) { - parents[i] = cprman->real_parent_names[j]; - break; - } - } + ret = match_string(cprman_parent_names, + ARRAY_SIZE(cprman_parent_names), + parents[i]); + if (ret >= 0) + parents[i] = cprman->real_parent_names[ret]; } memset(&init, 0, sizeof(init)); |