| commit | 883b3b6567bfc8b5da7b3f0cec80513af111d2f5 | |
| author | Tony Lindgren <tony@atomide.com> | |
| Mon, 16 Oct 2017 21:06:14 +0000 (16 14:06 -0700) | ||
| committer | Wolfram Sang <wsa@the-dreams.de> | |
| Tue, 17 Oct 2017 22:19:26 +0000 (18 00:19 +0200) | ||
| tree | ec468043d0aca390acac39a1488e4b83ddf9e4c2 | treesnapshot (tar.gz zip) |
| parent | 88fa2dfb075a20c3464e3d303c57dd8ced9e8309 | commitdiff |
i2c: omap: Fix error handling for clk_get()
Otherwise we can get the following if the fck alias is missing:
Unable to handle kernel paging request at virtual address fffffffe
...
PC is at clk_get_rate+0x8/0x10
LR is at omap_i2c_probe+0x278/0x6ec
...
[<c056eb08>] (clk_get_rate) from [<c06f4f08>] (omap_i2c_probe+0x278/0x6ec)
[<c06f4f08>] (omap_i2c_probe) from [<c0610944>] (platform_drv_probe+0x50/0xb0)
[<c0610944>] (platform_drv_probe) from [<c060e900>] (driver_probe_device+0x264/0x2ec)
[<c060e900>] (driver_probe_device) from [<c060cda0>] (bus_for_each_drv+0x70/0xb8)
[<c060cda0>] (bus_for_each_drv) from [<c060e5b0>] (__device_attach+0xcc/0x13c)
[<c060e5b0>] (__device_attach) from [<c060db10>] (bus_probe_device+0x88/0x90)
[<c060db10>] (bus_probe_device) from [<c060df68>] (deferred_probe_work_func+0x4c/0x14c)
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Otherwise we can get the following if the fck alias is missing:
Unable to handle kernel paging request at virtual address fffffffe
...
PC is at clk_get_rate+0x8/0x10
LR is at omap_i2c_probe+0x278/0x6ec
...
[<c056eb08>] (clk_get_rate) from [<c06f4f08>] (omap_i2c_probe+0x278/0x6ec)
[<c06f4f08>] (omap_i2c_probe) from [<c0610944>] (platform_drv_probe+0x50/0xb0)
[<c0610944>] (platform_drv_probe) from [<c060e900>] (driver_probe_device+0x264/0x2ec)
[<c060e900>] (driver_probe_device) from [<c060cda0>] (bus_for_each_drv+0x70/0xb8)
[<c060cda0>] (bus_for_each_drv) from [<c060e5b0>] (__device_attach+0xcc/0x13c)
[<c060e5b0>] (__device_attach) from [<c060db10>] (bus_probe_device+0x88/0x90)
[<c060db10>] (bus_probe_device) from [<c060df68>] (deferred_probe_work_func+0x4c/0x14c)
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
| drivers/i2c/busses/i2c-omap.c | diffblobblamehistory |