Commit aca25180 authored by Yoshinori Sato's avatar Yoshinori Sato
Browse files

h8300: unaligned divcr register support. 



DIVCR is unaligned long word.
So we need adjustment for long word align.

Signed-off-by: default avatarYoshinori Sato <ysato@users.sourceforge.jp>
parent 7379047d

drivers/clk/h8300/clk-div.c

+5 −1
Original line number Diff line number Diff line
@@ -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);