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authorChandrabhanu Mahapatra <cmahapatra@ti.com>2012-07-10 02:57:21 -0400
committerTomi Valkeinen <tomi.valkeinen@ti.com>2012-08-22 04:43:03 -0400
commitba1bc5bb1da5151f94031909ff775b0b4a1871c1 (patch)
tree232032aa604eac69f15cfc90606bae8fdfc39d2e /drivers/video/omap2
parentdcbe765b4f7c097ceab7dabe3af29e2a02529ebf (diff)
OMAPDSS: DSS: Remove redundant functions
Functions dss_calc_clock_rates() and dss_get_clock_div() are removed as these functions have become redundant and no longer used. Signed-off-by: Chandrabhanu Mahapatra <cmahapatra@ti.com> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Diffstat (limited to 'drivers/video/omap2')
-rw-r--r--drivers/video/omap2/dss/dss.c45
-rw-r--r--drivers/video/omap2/dss/dss.h2
2 files changed, 0 insertions, 47 deletions
diff --git a/drivers/video/omap2/dss/dss.c b/drivers/video/omap2/dss/dss.c
index 92353be58036..e2e0fa453c66 100644
--- a/drivers/video/omap2/dss/dss.c
+++ b/drivers/video/omap2/dss/dss.c
@@ -431,31 +431,6 @@ enum omap_dss_clk_source dss_get_lcd_clk_source(enum omap_channel channel)
431 } 431 }
432} 432}
433 433
434/* calculate clock rates using dividers in cinfo */
435int dss_calc_clock_rates(struct dss_clock_info *cinfo)
436{
437 if (dss.dpll4_m4_ck) {
438 unsigned long prate;
439 u16 fck_div_max = 16;
440
441 if (cpu_is_omap3630() || cpu_is_omap44xx())
442 fck_div_max = 32;
443
444 if (cinfo->fck_div > fck_div_max || cinfo->fck_div == 0)
445 return -EINVAL;
446
447 prate = clk_get_rate(clk_get_parent(dss.dpll4_m4_ck));
448
449 cinfo->fck = prate / cinfo->fck_div;
450 } else {
451 if (cinfo->fck_div != 0)
452 return -EINVAL;
453 cinfo->fck = clk_get_rate(dss.dss_clk);
454 }
455
456 return 0;
457}
458
459int dss_set_clock_div(struct dss_clock_info *cinfo) 434int dss_set_clock_div(struct dss_clock_info *cinfo)
460{ 435{
461 if (dss.dpll4_m4_ck) { 436 if (dss.dpll4_m4_ck) {
@@ -478,26 +453,6 @@ int dss_set_clock_div(struct dss_clock_info *cinfo)
478 return 0; 453 return 0;
479} 454}
480 455
481int dss_get_clock_div(struct dss_clock_info *cinfo)
482{
483 cinfo->fck = clk_get_rate(dss.dss_clk);
484
485 if (dss.dpll4_m4_ck) {
486 unsigned long prate;
487
488 prate = clk_get_rate(clk_get_parent(dss.dpll4_m4_ck));
489
490 if (cpu_is_omap3630() || cpu_is_omap44xx())
491 cinfo->fck_div = prate / (cinfo->fck);
492 else
493 cinfo->fck_div = prate / (cinfo->fck / 2);
494 } else {
495 cinfo->fck_div = 0;
496 }
497
498 return 0;
499}
500
501unsigned long dss_get_dpll4_rate(void) 456unsigned long dss_get_dpll4_rate(void)
502{ 457{
503 if (dss.dpll4_m4_ck) 458 if (dss.dpll4_m4_ck)
diff --git a/drivers/video/omap2/dss/dss.h b/drivers/video/omap2/dss/dss.h
index 41c00dc63cc5..d6cca820723c 100644
--- a/drivers/video/omap2/dss/dss.h
+++ b/drivers/video/omap2/dss/dss.h
@@ -296,9 +296,7 @@ void dss_set_venc_output(enum omap_dss_venc_type type);
296void dss_set_dac_pwrdn_bgz(bool enable); 296void dss_set_dac_pwrdn_bgz(bool enable);
297 297
298unsigned long dss_get_dpll4_rate(void); 298unsigned long dss_get_dpll4_rate(void);
299int dss_calc_clock_rates(struct dss_clock_info *cinfo);
300int dss_set_clock_div(struct dss_clock_info *cinfo); 299int dss_set_clock_div(struct dss_clock_info *cinfo);
301int dss_get_clock_div(struct dss_clock_info *cinfo);
302int dss_calc_clock_div(unsigned long req_pck, struct dss_clock_info *dss_cinfo, 300int dss_calc_clock_div(unsigned long req_pck, struct dss_clock_info *dss_cinfo,
303 struct dispc_clock_info *dispc_cinfo); 301 struct dispc_clock_info *dispc_cinfo);
304 302