Message ID | 20240909084222.3209-1-towinchenmi@gmail.com |
---|---|
Headers | show |
Series | tty: serial: samsung: Serial fixes for Apple A7-A11 SoCs | expand |
On Mon, Sep 9, 2024 at 10:42 AM Nick Chan <towinchenmi@gmail.com> 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@gmail.com > v2: https://lore.kernel.org/linux-samsung-soc/20240908075904.12133-1-towinchenmi@gmail.com > v3: https://lore.kernel.org/linux-samsung-soc/20240908090939.2745-1-towinchenmi@gmail.com > > 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(-) > > > base-commit: 9aaeb87ce1e966169a57f53a02ba05b30880ffb8 > -- > 2.46.0 > > Whole series LGTM. Reviewed-by: Neal Gompa <neal@gompa.dev>