From: Sasha Levin <sashal@kernel.org>
To: stable@vger.kernel.org, linux-kernel@vger.kernel.org
Cc: Lubomir Rintel <lkundrak@v3.sk>,
Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>,
Sasha Levin <sashal@kernel.org>
Subject: [PATCH AUTOSEL 4.4 10/25] pxa168fb: prepare the clock
Date: Tue, 16 Oct 2018 00:15:51 -0400 [thread overview]
Message-ID: <20181016041606.135876-10-sashal@kernel.org> (raw)
In-Reply-To: <20181016041606.135876-1-sashal@kernel.org>
From: Lubomir Rintel <lkundrak@v3.sk>
[ Upstream commit d85536cde91fcfed6fb8d983783bd2b92c843939 ]
Add missing prepare/unprepare operations for fbi->clk,
this fixes following kernel warning:
------------[ cut here ]------------
WARNING: CPU: 0 PID: 1 at drivers/clk/clk.c:874 clk_core_enable+0x2c/0x1b0
Enabling unprepared disp0_clk
Modules linked in:
CPU: 0 PID: 1 Comm: swapper Not tainted 4.18.0-rc8-00032-g02b43ddd4f21-dirty #25
Hardware name: Marvell MMP2 (Device Tree Support)
[<c010f7cc>] (unwind_backtrace) from [<c010cc6c>] (show_stack+0x10/0x14)
[<c010cc6c>] (show_stack) from [<c011dab4>] (__warn+0xd8/0xf0)
[<c011dab4>] (__warn) from [<c011db10>] (warn_slowpath_fmt+0x44/0x6c)
[<c011db10>] (warn_slowpath_fmt) from [<c043898c>] (clk_core_enable+0x2c/0x1b0)
[<c043898c>] (clk_core_enable) from [<c0439ec8>] (clk_core_enable_lock+0x18/0x2c)
[<c0439ec8>] (clk_core_enable_lock) from [<c0436698>] (pxa168fb_probe+0x464/0x6ac)
[<c0436698>] (pxa168fb_probe) from [<c04779a0>] (platform_drv_probe+0x48/0x94)
[<c04779a0>] (platform_drv_probe) from [<c0475bec>] (driver_probe_device+0x328/0x470)
[<c0475bec>] (driver_probe_device) from [<c0475de4>] (__driver_attach+0xb0/0x124)
[<c0475de4>] (__driver_attach) from [<c0473c38>] (bus_for_each_dev+0x64/0xa0)
[<c0473c38>] (bus_for_each_dev) from [<c0474ee0>] (bus_add_driver+0x1b8/0x230)
[<c0474ee0>] (bus_add_driver) from [<c0476a20>] (driver_register+0xac/0xf0)
[<c0476a20>] (driver_register) from [<c0102dd4>] (do_one_initcall+0xb8/0x1f0)
[<c0102dd4>] (do_one_initcall) from [<c0b010a0>] (kernel_init_freeable+0x294/0x2e0)
[<c0b010a0>] (kernel_init_freeable) from [<c07e9eb8>] (kernel_init+0x8/0x10c)
[<c07e9eb8>] (kernel_init) from [<c01010e8>] (ret_from_fork+0x14/0x2c)
Exception stack(0xd008bfb0 to 0xd008bff8)
bfa0: 00000000 00000000 00000000 00000000
bfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
bfe0: 00000000 00000000 00000000 00000000 00000013 00000000
---[ end trace c0af40f9e2ed7cb4 ]---
Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
[b.zolnierkie: enhance patch description a bit]
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/video/fbdev/pxa168fb.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/video/fbdev/pxa168fb.c b/drivers/video/fbdev/pxa168fb.c
index efb57c059997..5190b1749e2a 100644
--- a/drivers/video/fbdev/pxa168fb.c
+++ b/drivers/video/fbdev/pxa168fb.c
@@ -712,7 +712,7 @@ static int pxa168fb_probe(struct platform_device *pdev)
/*
* enable controller clock
*/
- clk_enable(fbi->clk);
+ clk_prepare_enable(fbi->clk);
pxa168fb_set_par(info);
@@ -767,7 +767,7 @@ static int pxa168fb_probe(struct platform_device *pdev)
failed_free_cmap:
fb_dealloc_cmap(&info->cmap);
failed_free_clk:
- clk_disable(fbi->clk);
+ clk_disable_unprepare(fbi->clk);
failed_free_fbmem:
dma_free_coherent(fbi->dev, info->fix.smem_len,
info->screen_base, fbi->fb_start_dma);
@@ -807,7 +807,7 @@ static int pxa168fb_remove(struct platform_device *pdev)
dma_free_writecombine(fbi->dev, PAGE_ALIGN(info->fix.smem_len),
info->screen_base, info->fix.smem_start);
- clk_disable(fbi->clk);
+ clk_disable_unprepare(fbi->clk);
framebuffer_release(info);
--
2.17.1
next prev parent reply other threads:[~2018-10-16 4:15 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-10-16 4:15 [PATCH AUTOSEL 4.4 01/25] xfrm: Validate address prefix lengths in the xfrm selector Sasha Levin
2018-10-16 4:15 ` [PATCH AUTOSEL 4.4 02/25] xfrm6: call kfree_skb when skb is toobig Sasha Levin
2018-10-16 4:15 ` [PATCH AUTOSEL 4.4 03/25] mac80211: Always report TX status Sasha Levin
2018-10-16 4:15 ` [PATCH AUTOSEL 4.4 04/25] cfg80211: reg: Init wiphy_idx in regulatory_hint_core() Sasha Levin
2018-10-16 4:15 ` [PATCH AUTOSEL 4.4 05/25] cfg80211: Address some corner cases in scan result channel updating Sasha Levin
2018-11-02 9:19 ` Greg KH
2018-10-16 4:15 ` [PATCH AUTOSEL 4.4 06/25] ARM: 8799/1: mm: fix pci_ioremap_io() offset check Sasha Levin
2018-10-16 4:15 ` [PATCH AUTOSEL 4.4 07/25] xfrm: validate template mode Sasha Levin
2018-10-16 4:15 ` [PATCH AUTOSEL 4.4 08/25] mac80211_hwsim: do not omit multicast announce of first added radio Sasha Levin
2018-10-16 4:15 ` [PATCH AUTOSEL 4.4 09/25] Bluetooth: SMP: fix crash in unpairing Sasha Levin
2018-10-16 4:15 ` Sasha Levin [this message]
2018-10-16 4:15 ` [PATCH AUTOSEL 4.4 11/25] bonding: avoid possible dead-lock Sasha Levin
2018-10-16 4:15 ` [PATCH AUTOSEL 4.4 12/25] bnxt_en: Fix TX timeout during netpoll Sasha Levin
2018-10-16 4:15 ` [PATCH AUTOSEL 4.4 13/25] asix: Check for supported Wake-on-LAN modes Sasha Levin
2018-10-16 4:15 ` [PATCH AUTOSEL 4.4 14/25] ax88179_178a: " Sasha Levin
2018-10-16 4:15 ` [PATCH AUTOSEL 4.4 15/25] lan78xx: " Sasha Levin
2018-10-16 4:15 ` [PATCH AUTOSEL 4.4 16/25] sr9800: " Sasha Levin
2018-10-16 4:15 ` [PATCH AUTOSEL 4.4 17/25] r8152: Check for supported Wake-on-LAN Modes Sasha Levin
2018-10-16 4:15 ` [PATCH AUTOSEL 4.4 18/25] smsc75xx: Check for Wake-on-LAN modes Sasha Levin
2018-10-16 4:16 ` [PATCH AUTOSEL 4.4 19/25] smsc95xx: " Sasha Levin
2018-10-16 4:16 ` [PATCH AUTOSEL 4.4 20/25] qlcnic: fix Tx descriptor corruption on 82xx devices Sasha Levin
2018-10-16 4:16 ` [PATCH AUTOSEL 4.4 21/25] i2c: i2c-scmi: fix for i2c_smbus_write_block_data Sasha Levin
2018-10-16 4:16 ` [PATCH AUTOSEL 4.4 22/25] perf/ring_buffer: Prevent concurent ring buffer access Sasha Levin
2018-10-16 4:16 ` [PATCH AUTOSEL 4.4 23/25] net/usb: cancel pending work when unbinding smsc75xx Sasha Levin
2018-10-16 4:16 ` [PATCH AUTOSEL 4.4 24/25] net: cxgb3_main: fix a missing-check bug Sasha Levin
2018-10-16 4:16 ` [PATCH AUTOSEL 4.4 25/25] mm/vmstat.c: fix outdated vmstat_text Sasha Levin
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20181016041606.135876-10-sashal@kernel.org \
--to=sashal@kernel.org \
--cc=b.zolnierkie@samsung.com \
--cc=linux-kernel@vger.kernel.org \
--cc=lkundrak@v3.sk \
--cc=stable@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox