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Commit 64ad846f authored by Tomi Valkeinen's avatar Tomi Valkeinen
Browse files

OMAPDSS: rename parent clk variables 



Rename the variables related to DSS fclk's parent: "clk_name" and
"dpll4_m4_ck", to "parent_clk_name" and "parent_clk", which much better
tell what they mean.

Signed-off-by: default avatarTomi Valkeinen <tomi.valkeinen@ti.com>
parent 9c15d762

drivers/video/omap2/dss/dss.c

+20 −20
Original line number Diff line number Diff line
@@ -67,7 +67,7 @@ static void dss_runtime_put(void); 
struct dss_features {

	u8 fck_div_max;

	u8 dss_fck_multiplier;

	const char *clk_name;

	const char *parent_clk_name;

	int (*dpi_select_source)(enum omap_channel channel);

};
@@ -75,7 +75,7 @@ static struct { 
	struct platform_device *pdev;

	void __iomem    *base;



	struct clk	*dpll4_m4_ck;

	struct clk	*parent_clk;

	struct clk	*dss_clk;

	unsigned long	dss_clk_rate;
@@ -445,7 +445,7 @@ bool dss_div_calc(unsigned long fck_min, dss_div_calc_func func, void *data) 
	unsigned long prate;

	unsigned m;



	if (dss.dpll4_m4_ck == NULL) {

	if (dss.parent_clk == NULL) {

		fck = clk_get_rate(dss.dss_clk);

		return func(fck, data);

	}
@@ -475,15 +475,15 @@ int dss_set_fck_rate(unsigned long rate) 
{

	DSSDBG("set fck to %lu\n", rate);



	if (dss.dpll4_m4_ck) {

	if (dss.parent_clk) {

		unsigned long prate;

		unsigned m;

		int r;



		prate = clk_get_rate(clk_get_parent(dss.dpll4_m4_ck));

		prate = clk_get_rate(clk_get_parent(dss.parent_clk));

		m = dss.feat->dss_fck_multiplier;



		r = clk_set_rate(dss.dpll4_m4_ck, rate * m);

		r = clk_set_rate(dss.parent_clk, rate * m);

		if (r)

			return r;

	}
@@ -499,8 +499,8 @@ int dss_set_fck_rate(unsigned long rate) 


unsigned long dss_get_dpll4_rate(void)

{

	if (dss.dpll4_m4_ck)

		return clk_get_rate(clk_get_parent(dss.dpll4_m4_ck));

	if (dss.parent_clk)

		return clk_get_rate(clk_get_parent(dss.parent_clk));

	else

		return 0;

}
@@ -517,7 +517,7 @@ static int dss_setup_default_clock(void) 
	unsigned fck_div;

	int r;



	if (dss.dpll4_m4_ck == NULL)

	if (dss.parent_clk == NULL)

		return 0;



	max_dss_fck = dss_feat_get_param_max(FEAT_PARAM_DSS_FCK);
@@ -654,25 +654,25 @@ static int dss_get_clocks(void) 


	dss.dss_clk = clk;



	if (dss.feat->clk_name) {

		clk = clk_get(NULL, dss.feat->clk_name);

	if (dss.feat->parent_clk_name) {

		clk = clk_get(NULL, dss.feat->parent_clk_name);

		if (IS_ERR(clk)) {

			DSSERR("Failed to get %s\n", dss.feat->clk_name);

			DSSERR("Failed to get %s\n", dss.feat->parent_clk_name);

			return PTR_ERR(clk);

		}

	} else {

		clk = NULL;

	}



	dss.dpll4_m4_ck = clk;

	dss.parent_clk = clk;



	return 0;

}



static void dss_put_clocks(void)

{

	if (dss.dpll4_m4_ck)

		clk_put(dss.dpll4_m4_ck);

	if (dss.parent_clk)

		clk_put(dss.parent_clk);

}



static int dss_runtime_get(void)
@@ -715,35 +715,35 @@ static const struct dss_features omap24xx_dss_feats __initconst = { 
	 */

	.fck_div_max		=	6,

	.dss_fck_multiplier	=	2,

	.clk_name		=	"dss1_fck",

	.parent_clk_name	=	"dss1_fck",

	.dpi_select_source	=	&dss_dpi_select_source_omap2_omap3,

};



static const struct dss_features omap34xx_dss_feats __initconst = {

	.fck_div_max		=	16,

	.dss_fck_multiplier	=	2,

	.clk_name		=	"dpll4_m4_ck",

	.parent_clk_name	=	"dpll4_m4_ck",

	.dpi_select_source	=	&dss_dpi_select_source_omap2_omap3,

};



static const struct dss_features omap3630_dss_feats __initconst = {

	.fck_div_max		=	32,

	.dss_fck_multiplier	=	1,

	.clk_name		=	"dpll4_m4_ck",

	.parent_clk_name	=	"dpll4_m4_ck",

	.dpi_select_source	=	&dss_dpi_select_source_omap2_omap3,

};



static const struct dss_features omap44xx_dss_feats __initconst = {

	.fck_div_max		=	32,

	.dss_fck_multiplier	=	1,

	.clk_name		=	"dpll_per_m5x2_ck",

	.parent_clk_name	=	"dpll_per_m5x2_ck",

	.dpi_select_source	=	&dss_dpi_select_source_omap4,

};



static const struct dss_features omap54xx_dss_feats __initconst = {

	.fck_div_max		=	64,

	.dss_fck_multiplier	=	1,

	.clk_name		=	"dpll_per_h12x2_ck",

	.parent_clk_name	=	"dpll_per_h12x2_ck",

	.dpi_select_source	=	&dss_dpi_select_source_omap5,

};