From aca2518064556ae5658974d78cb71f4883911d3d Mon Sep 17 00:00:00 2001 From: Yoshinori Sato Date: Sun, 31 May 2015 23:25:35 +0900 Subject: [PATCH] h8300: unaligned divcr register support. DIVCR is unaligned long word. So we need adjustment for long word align. Signed-off-by: Yoshinori Sato --- drivers/clk/h8300/clk-div.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/clk/h8300/clk-div.c b/drivers/clk/h8300/clk-div.c index 1dd5d14d5dbe..d71d01157dbb 100644 --- a/drivers/clk/h8300/clk-div.c +++ b/drivers/clk/h8300/clk-div.c @@ -19,6 +19,7 @@ static void __init h8300_div_clk_setup(struct device_node *node) const char *parent_name; void __iomem *divcr = NULL; int width; + int offset; num_parents = of_clk_get_parent_count(node); if (num_parents < 1) { @@ -31,11 +32,14 @@ static void __init h8300_div_clk_setup(struct device_node *node) pr_err("%s: failed to map divide register", clk_name); goto error; } + offset = (unsigned long)divcr & 3; + offset = (3 - offset) * 8; + divcr = (void *)((unsigned long)divcr & ~3); parent_name = of_clk_get_parent_name(node, 0); of_property_read_u32(node, "renesas,width", &width); clk = clk_register_divider(NULL, clk_name, parent_name, - CLK_SET_RATE_GATE, divcr, 0, width, + CLK_SET_RATE_GATE, divcr, offset, width, CLK_DIVIDER_POWER_OF_TWO, &clklock); if (!IS_ERR(clk)) { of_clk_add_provider(node, of_clk_src_simple_get, clk); -- 2.11.0