mirrors/linux
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2025-12-27 14:41:22 -05:00
Code Issues Packages Projects Releases Wiki Activity

mfd: sm501: Remove unused sm501_find_clock

Browse Source 
sm501_find_clock() was added in 2007 as part of
commit b6d6454fdb ("[PATCH] mfd: SM501 core driver")
but hasn't been used.

Remove it.

Signed-off-by: "Dr. David Alan Gilbert" <linux@treblig.org>
Link: https://lore.kernel.org/r/20250509173521.49596-1-linux@treblig.org
Signed-off-by: Lee Jones <lee@kernel.org>
This commit is contained in:
Dr. David Alan Gilbert
2025-05-09 18:35:20 +01:00
committed by Lee Jones
parent 950a3c38f7
commit 34c5f34df9
2 changed files with 0 additions and 46 deletions
Download Patch File Download Diff File Expand all files Collapse all files

43
drivers/mfd/sm501.c
View File

@@ -631,49 +631,6 @@ unsigned long sm501_set_clock(struct device *dev,
EXPORT_SYMBOL_GPL(sm501_set_clock);
/* sm501_find_clock
*
* finds the closest available frequency for a given clock
*/
unsigned long sm501_find_clock(struct device *dev,
int clksrc,
unsigned long req_freq)
{
struct sm501_devdata *sm = dev_get_drvdata(dev);
unsigned long sm501_freq; /* the frequency achieveable by the 501 */
struct sm501_clock to;
switch (clksrc) {
case SM501_CLOCK_P2XCLK:
if (sm->rev >= 0xC0) {
/* SM502 -> use the programmable PLL */
sm501_freq = (sm501_calc_pll(2 * req_freq,
&to, 5) / 2);
} else {
sm501_freq = (sm501_select_clock(2 * req_freq,
&to, 5) / 2);
}
break;
case SM501_CLOCK_V2XCLK:
sm501_freq = (sm501_select_clock(2 * req_freq, &to, 3) / 2);
break;
case SM501_CLOCK_MCLK:
case SM501_CLOCK_M1XCLK:
sm501_freq = sm501_select_clock(req_freq, &to, 3);
break;
default:
sm501_freq = 0; /* error */
}
return sm501_freq;
}
EXPORT_SYMBOL_GPL(sm501_find_clock);
static struct sm501_device *to_sm_device(struct platform_device *pdev)
{
return container_of(pdev, struct sm501_device, pdev);

3
include/linux/sm501.h
View File

@@ -12,9 +12,6 @@ extern int sm501_unit_power(struct device *dev,
extern unsigned long sm501_set_clock(struct device *dev,
int clksrc, unsigned long freq);
extern unsigned long sm501_find_clock(struct device *dev,
int clksrc, unsigned long req_freq);
/* sm501_misc_control
*
* Modify the SM501's MISC_CONTROL register