Linux kernel stable tree (mirror) https://git.radix-linux.su/kernel/linux.git/atom?h=v7.0.10 2025-10-05T20:51:06+00:00 2025-10-05T20:51:06+00:00 Tóth János gomba007@gmail.com 2025-04-07T11:48:49+00:00 urn:sha1:75b002a38d4f740d51f0e09dcd778541f61a2797 It is common to include the I2C address of the device in the source file. Signed-off-by: Tóth János <gomba007@gmail.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> 2025-03-05T22:08:01+00:00 André Draszik andre.draszik@linaro.org 2025-03-04T17:05:41+00:00 urn:sha1:d94bc2bbf8d9c1319c64467cc5bf94ecb5388cfa The memory pointed to by the ::rtc member is managed via devres, and no code in this driver uses it past _probe(). We can drop it from the structure and just use a local temporary variable, reducing runtime memory consumption by a few bytes. Tested-by: Tóth János <gomba007@gmail.com> Signed-off-by: André Draszik <andre.draszik@linaro.org> Link: https://lore.kernel.org/r/20250304-rtc-cleanups-v2-13-d4689a71668c@linaro.org Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> 2024-09-11T22:33:24+00:00 Tóth János gomba007@gmail.com 2024-08-30T08:36:39+00:00 urn:sha1:5af858acea22bc5d8a2ebddcad57babca1442dd1 Add support for the DFRobot SD2405AL I2C RTC Module. Datasheet: https://image.dfrobot.com/image/data/TOY0021/SD2405AL%20datasheet%20(Angelo%20v0.1).pdf Product: https://www.dfrobot.com/product-1600.html To instantiate (assuming device is connected to I2C-1) as root: echo sd2405al 0x32 > /sys/bus/i2c/devices/i2c-1/new_device as user: echo 'sd2405al 0x32' | sudo tee /sys/class/i2c-adapter/i2c-1/new_device The driver is tested with: + hwclock + tools/testing/selftests/rtc/setdate + tools/testing/selftests/rtc/rtctest Reviewed-by: Csókás Bence <csokas.bence@prolan.hu> Signed-off-by: Tóth János <gomba007@gmail.com> Link: https://lore.kernel.org/r/20240830-rtc-sd2405al-v7-1-2f7102621b1d@gmail.com Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>