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Message-ID: <20250508002227.204836-1-linux@treblig.org>
Date: Thu, 8 May 2025 01:22:27 +0100
From: linux@...blig.org
To: lee@...nel.org
Cc: linux-kernel@...r.kernel.org,
"Dr. David Alan Gilbert" <linux@...blig.org>
Subject: [PATCH] mfd: sm501: Remove unused sm501_find_clock
From: "Dr. David Alan Gilbert" <linux@...blig.org>
sm501_find_clock() was added in 2007 as part of
commit b6d6454fdb66 ("[PATCH] mfd: SM501 core driver")
but hasn't been used.
Remove it.
Signed-off-by: Dr. David Alan Gilbert <linux@...blig.org>
---
drivers/mfd/sm501.c | 43 -------------------------------------------
1 file changed, 43 deletions(-)
diff --git a/drivers/mfd/sm501.c b/drivers/mfd/sm501.c
index 7ee293b09f62..bdeea0047e1b 100644
--- a/drivers/mfd/sm501.c
+++ b/drivers/mfd/sm501.c
@@ -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);
--
2.49.0
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