From 24a5d34d7b01b2bff4ddb65af0731ac230169153 Mon Sep 17 00:00:00 2001
From: Janusz Krzysztofik <jmkrzyszt@gmail.com>
Date: Sat, 2 Apr 2022 13:26:58 +0200
Subject: [PATCH] usb: gadget: omap_udc: Make it CCF clk API compatible
The driver, OMAP1 specific, now omits clk_prepare/unprepare() steps, not
supported by OMAP1 custom implementation of clock API. However, non-CCF
stubs of those functions exist for use on such platforms until converted
to CCF.
Update the driver to be compatible with CCF implementation of clock API.
Signed-off-by: Janusz Krzysztofik <jmkrzyszt@gmail.com>
Link: https://lore.kernel.org/r/20220402112658.130191-1-jmkrzyszt@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/usb/gadget/udc/omap_udc.c | 14 ++++++++------
1 file changed, 8 insertions(+), 6 deletions(-)
diff --git a/drivers/usb/gadget/udc/omap_udc.c b/drivers/usb/gadget/udc/omap_udc.c
index 2d9815dad2ff1..d81af616fddc2 100644
--- a/drivers/usb/gadget/udc/omap_udc.c
+++ b/drivers/usb/gadget/udc/omap_udc.c
@@ -2606,6 +2606,8 @@ static void omap_udc_release(struct device *dev)
if (udc->dc_clk) {
if (udc->clk_requested)
omap_udc_enable_clock(0);
+ clk_unprepare(udc->hhc_clk);
+ clk_unprepare(udc->dc_clk);
clk_put(udc->hhc_clk);
clk_put(udc->dc_clk);
}
@@ -2770,8 +2772,8 @@ static int omap_udc_probe(struct platform_device *pdev)
hhc_clk = clk_get(&pdev->dev, "usb_hhc_ck");
BUG_ON(IS_ERR(dc_clk) || IS_ERR(hhc_clk));
/* can't use omap_udc_enable_clock yet */
- clk_enable(dc_clk);
- clk_enable(hhc_clk);
+ clk_prepare_enable(dc_clk);
+ clk_prepare_enable(hhc_clk);
udelay(100);
}
@@ -2780,8 +2782,8 @@ static int omap_udc_probe(struct platform_device *pdev)
hhc_clk = clk_get(&pdev->dev, "l3_ocpi_ck");
BUG_ON(IS_ERR(dc_clk) || IS_ERR(hhc_clk));
/* can't use omap_udc_enable_clock yet */
- clk_enable(dc_clk);
- clk_enable(hhc_clk);
+ clk_prepare_enable(dc_clk);
+ clk_prepare_enable(hhc_clk);
udelay(100);
}
@@ -2929,8 +2931,8 @@ cleanup0:
usb_put_phy(xceiv);
if (cpu_is_omap16xx() || cpu_is_omap7xx()) {
- clk_disable(hhc_clk);
- clk_disable(dc_clk);
+ clk_disable_unprepare(hhc_clk);
+ clk_disable_unprepare(dc_clk);
clk_put(hhc_clk);
clk_put(dc_clk);
}
--
2.30.2