Messages in this thread | | | From | Bartosz Golaszewski <> | Date | Tue, 14 Apr 2020 16:18:50 +0200 | Subject | Re: [PATCH] gpio: gpio-pca953x, Add get_multiple function |
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pon., 6 kwi 2020 o 18:53 Paul Thomas <pthomas8589@gmail.com> napisał(a): > > Implement a get_multiple function for gpio-pca953x. If a driver > leaves get_multiple unimplemented then gpio_chip_get_multiple() > in gpiolib.c takes care of it by calling chip->get() as needed. > For i2c chips this is very inefficient. For example if you do an > 8-bit read then instead of a single i2c transaction there are > 8 transactions reading the same byte! > > This has been tested with max7312 chips on a 5.2 kernel. > > Signed-off-by: Paul Thomas <pthomas8589@gmail.com> > ---
Hi, this doesn't apply on top of current master. Can you rebase it on top of v5.7-rc1 and resend?
Bart
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