Messages in this thread | | | Date | Mon, 25 Jul 2016 13:46:05 -0700 | From | Brian Norris <> | Subject | Re: [PATCH] Input: cros_ec_keyb - cleanup use of dev |
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On Mon, Jul 25, 2016 at 01:31:51PM -0700, Dmitry Torokhov wrote: > On Mon, Jul 25, 2016 at 11:43:48AM -0700, Brian Norris wrote: > > From: Douglas Anderson <dianders@chromium.org> > > > > In cros_ec_keyb we stored "dev" in "struct cros_ec_keyb", but this was > > the EC's dev pointer and not the keyboard's. Let's clean this up to > > make it the keyboard's dev pointer. This could be useful in future > > patches but also has the nice effect of changing a few printouts to > > include the name of the keyboard device instead of the EC device, which > > seems more technically correct. > > What is the difference in the output? Could you show old vs new example?
For instance, on a veyron Chromebook, I see this on bootup with v4.7:
# dmesg | grep -e cros-ec -e keyb [ 0.539153] cros-ec-spi spi0.0: Chrome EC device registered [ 1.224505] cros-ec-spi spi0.0: valid_keys[00] = 0x14 [ 1.224509] cros-ec-spi spi0.0: valid_keys[01] = 0xff [ 1.224514] cros-ec-spi spi0.0: valid_keys[02] = 0xff [ 1.224518] cros-ec-spi spi0.0: valid_keys[03] = 0xff [ 1.224521] cros-ec-spi spi0.0: valid_keys[04] = 0xff [ 1.224525] cros-ec-spi spi0.0: valid_keys[05] = 0xf5 [ 1.224529] cros-ec-spi spi0.0: valid_keys[06] = 0xff [ 1.224533] cros-ec-spi spi0.0: valid_keys[07] = 0xa4 [ 1.224536] cros-ec-spi spi0.0: valid_keys[08] = 0xff [ 1.224540] cros-ec-spi spi0.0: valid_keys[09] = 0xfe [ 1.224544] cros-ec-spi spi0.0: valid_keys[10] = 0x55 [ 1.224548] cros-ec-spi spi0.0: valid_keys[11] = 0xfa [ 1.224551] cros-ec-spi spi0.0: valid_keys[12] = 0xca [ 1.224632] input: cros_ec as /devices/platform/ff110000.spi/spi_master/spi0/spi0.0/ff110000.spi:ec@0:keyboard-controller/input/input0
and this, with this patch applied:
# dmesg | grep -e cros-ec -e keyb [ 0.539437] cros-ec-spi spi0.0: Chrome EC device registered [ 1.224648] cros-ec-keyb ff110000.spi:ec@0:keyboard-controller: valid_keys[00] = 0x14 [ 1.224653] cros-ec-keyb ff110000.spi:ec@0:keyboard-controller: valid_keys[01] = 0xff [ 1.224657] cros-ec-keyb ff110000.spi:ec@0:keyboard-controller: valid_keys[02] = 0xff [ 1.224662] cros-ec-keyb ff110000.spi:ec@0:keyboard-controller: valid_keys[03] = 0xff [ 1.224666] cros-ec-keyb ff110000.spi:ec@0:keyboard-controller: valid_keys[04] = 0xff [ 1.224670] cros-ec-keyb ff110000.spi:ec@0:keyboard-controller: valid_keys[05] = 0xf5 [ 1.224674] cros-ec-keyb ff110000.spi:ec@0:keyboard-controller: valid_keys[06] = 0xff [ 1.224678] cros-ec-keyb ff110000.spi:ec@0:keyboard-controller: valid_keys[07] = 0xa4 [ 1.224682] cros-ec-keyb ff110000.spi:ec@0:keyboard-controller: valid_keys[08] = 0xff [ 1.224686] cros-ec-keyb ff110000.spi:ec@0:keyboard-controller: valid_keys[09] = 0xfe [ 1.224690] cros-ec-keyb ff110000.spi:ec@0:keyboard-controller: valid_keys[10] = 0x55 [ 1.224694] cros-ec-keyb ff110000.spi:ec@0:keyboard-controller: valid_keys[11] = 0xfa [ 1.224698] cros-ec-keyb ff110000.spi:ec@0:keyboard-controller: valid_keys[12] = 0xca [ 1.224779] input: cros_ec as /devices/platform/ff110000.spi/spi_master/spi0/spi0.0/ff110000.spi:ec@0:keyboard-controller/input/input
(both are done with an added '#define DEBUG', since that's easier than fiddling with dynamic debug prints)
I think it's important to see the "cros-ec-keyb" driver name, and the specific device name is a nice bonus.
Do you want to paste something like this into the commit description, or should I resend?
Rebards, Brian
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