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| author | Min Li <min.li.xe@renesas.com> | 2020-11-06 04:52:08 +0100 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2020-11-07 22:10:27 +0100 |
| commit | e4c6eb68343fb1cfe4bffc6802180e91826f76af (patch) | |
| tree | 5f8faa70fb880be1390d990aa98cf5015a80d6e2 /drivers/ptp/ptp_idt82p33.h | |
| parent | ptp: idt82p33: add adjphase support (diff) | |
| download | linux-e4c6eb68343fb1cfe4bffc6802180e91826f76af.tar.xz linux-e4c6eb68343fb1cfe4bffc6802180e91826f76af.zip | |
ptp: idt82p33: use i2c_master_send for bus write
Refactor idt82p33_xfer and use i2c_master_send for write operation.
Because some I2C controllers are only working with single-burst write
transaction.
Signed-off-by: Min Li <min.li.xe@renesas.com>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Link: https://lore.kernel.org/r/1604634729-24960-2-git-send-email-min.li.xe@renesas.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/ptp/ptp_idt82p33.h')
| -rw-r--r-- | drivers/ptp/ptp_idt82p33.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/ptp/ptp_idt82p33.h b/drivers/ptp/ptp_idt82p33.h index 3a0e0016771b..1c7a0f0872e8 100644 --- a/drivers/ptp/ptp_idt82p33.h +++ b/drivers/ptp/ptp_idt82p33.h @@ -95,6 +95,7 @@ enum hw_tod_trig_sel { #define MAX_MEASURMENT_COUNT (5) #define SNAP_THRESHOLD_NS (150000) #define SYNC_TOD_TIMEOUT_SEC (5) +#define IDT82P33_MAX_WRITE_COUNT (512) #define PLLMASK_ADDR_HI 0xFF #define PLLMASK_ADDR_LO 0xA5 |