Commit 34c5f34d authored by Dr. David Alan Gilbert's avatar Dr. David Alan Gilbert Committed by Lee Jones
Browse files

mfd: sm501: Remove unused sm501_find_clock 



sm501_find_clock() was added in 2007 as part of
commit b6d6454f ("[PATCH] mfd: SM501 core driver")
but hasn't been used.

Remove it.

Signed-off-by: default avatar"Dr. David Alan Gilbert" <linux@treblig.org>
Link: https://lore.kernel.org/r/20250509173521.49596-1-linux@treblig.org


Signed-off-by: default avatarLee Jones <lee@kernel.org>
parent 950a3c38

drivers/mfd/sm501.c

+0 −43
Original line number Diff line number Diff line
@@ -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);

include/linux/sm501.h

+0 −3
Original line number Diff line number Diff line
@@ -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