diff options
| author | Aaron Durbin <adurbin@chromium.org> | 2014-09-24 09:51:19 -0500 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2015-03-21 17:00:48 +0100 |
| commit | 53a83fba1ed5ec967bee4ae88e63828fbc1fa2ff (patch) | |
| tree | 6b77fd27721d0a5e33ca7be81b385c13a6ea4d08 /src/soc/nvidia/tegra124/spi.c | |
| parent | 46ba4807e926720b8361a4e271cb1fa022f5abc5 (diff) | |
tegra124: switch to stopwatch API
Instead of using rela_time use the stopwatch API as the
semantics fit perfectly with the expiration usage.
BUG=None
BRANCH=None
TEST=Built, but similar usage tested on tegra132.
Change-Id: I1147f2bed84b93d1b776205df9ae04d1db9c98a5
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: c38e054dd166d5eb53f692833b5ce88a230816e3
Original-Change-Id: I6d3f3da4e035e872890d8b67947b17a981673dba
Original-Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/219712
Original-Reviewed-by: Julius Werner <jwerner@chromium.org>
Original-Reviewed-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: http://review.coreboot.org/8819
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Diffstat (limited to 'src/soc/nvidia/tegra124/spi.c')
| -rw-r--r-- | src/soc/nvidia/tegra124/spi.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/src/soc/nvidia/tegra124/spi.c b/src/soc/nvidia/tegra124/spi.c index 8e090aab39..78a17d9b53 100644 --- a/src/soc/nvidia/tegra124/spi.c +++ b/src/soc/nvidia/tegra124/spi.c @@ -416,8 +416,7 @@ static inline u32 rx_fifo_count(struct tegra_spi_channel *spi) static int tegra_spi_pio_finish(struct tegra_spi_channel *spi) { u8 *p = spi->in_buf; - struct mono_time start; - struct rela_time rt; + struct stopwatch sw; clrbits_le32(&spi->regs->command1, SPI_CMD1_RX_EN | SPI_CMD1_TX_EN); @@ -425,12 +424,11 @@ static int tegra_spi_pio_finish(struct tegra_spi_channel *spi) * Allow some time in case the Rx FIFO does not yet have * all packets pushed into it. See chrome-os-partner:24215. */ - timer_monotonic_get(&start); + stopwatch_init_usecs_expire(&sw, SPI_FIFO_XFER_TIMEOUT_US); do { if (rx_fifo_count(spi) == spi_byte_count(spi)) break; - rt = current_time_from(&start); - } while (rela_time_in_microseconds(&rt) < SPI_FIFO_XFER_TIMEOUT_US); + } while (!stopwatch_expired(&sw)); while (!(read32(&spi->regs->fifo_status) & SPI_FIFO_STATUS_RX_FIFO_EMPTY)) { |