Hej, On Mon, Sep 9, 2024, at 10:37, Nick Chan wrote: > Hi, > > This series fixes issues with serial on A7-A11 SoCs. The changes do not > seem to affect existing M1 and up users so they can be applied > unconditionally. > > Firstly, these SoCs require 32-bit writes on the serial port. This only > manifested in earlycon as reg-io-width in device tree is consulted for > normal serial writes. > > Secondly, A7-A9 SoCs seems to use different bits for RXTO and RXTO > enable. Accessing these bits in addition to the original RXTO and RXTO > enable bits will allow serial rx to work correctly on those SoCs. > > Changes in v4: > - Removed fake Reviewed-by tag added by accident... need to stop > making stupid mistakes that wastes everyone's time. The remaining > Reviewed-by is real as far as I am aware. > > Changes in v3: > - v2 did not declare itself as v2 in subject line... resend as v3. > > Changes in v2: > - Mention A7-A11 in the comment about changing register accesses to > MMIO32. > > - Use BIT() macro for new entries, and change the existing APPLE_S5L_* > entries for consistency. > > v1: > https://lore.kernel.org/linux-samsung-soc/20240907111431.2970-1-towinchenmi@xxxxxxxxx > v2: > https://lore.kernel.org/linux-samsung-soc/20240908075904.12133-1-towinchenmi@xxxxxxxxx > v3: > https://lore.kernel.org/linux-samsung-soc/20240908090939.2745-1-towinchenmi@xxxxxxxxx > > Nick Chan > --- > > Nick Chan (3): > tty: serial: samsung: Use BIT() macro for APPLE_S5L_* > tty: serial: samsung: Fix A7-A11 serial earlycon SError > tty: serial: samsung: Fix serial rx on Apple A7-A9 > > drivers/tty/serial/samsung_tty.c | 22 ++++++++++++++++------ > include/linux/serial_s3c.h | 24 ++++++++++++++---------- > 2 files changed, 30 insertions(+), 16 deletions(-) whole series tested on M1 Max and M2 Pro Tested-by: Janne Grunau <j@xxxxxxxxxx> best regards janne
