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sb600spi.c: Make use of new register_spi_master() API

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Pass pointers to dynamically allocated data to
register_spi_master(). This way we can avoid mutable globals.

BUG=b:185191942
TEST=builds

Change-Id: Id555dc5e125309883a816e00afb26d7141fd870d
Signed-off-by: Anastasia Klimchuk <aklm@chromium.org>
Reviewed-on: https://review.coreboot.org/c/flashrom/+/54713
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Edward O'Callaghan <quasisec@chromium.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
This commit is contained in:
Anastasia Klimchuk 2021-05-20 10:25:57 +10:00 committed by Edward O'Callaghan
parent 59237a3700
commit efab1103ab
1 changed files with 6 additions and 10 deletions
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16
sb600spi.c
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@ -570,7 +570,7 @@ static int promontory_read_memmapped(struct flashctx *flash, uint8_t *buf,
return 0;
}
static struct spi_master spi_master_sb600 = {
static const struct spi_master spi_master_sb600 = {
.max_data_read = FIFO_SIZE_OLD,
.max_data_write = FIFO_SIZE_OLD - 3,
.command = sb600_spi_send_command,
@ -580,7 +580,7 @@ static struct spi_master spi_master_sb600 = {
.write_aai = default_spi_write_aai,
};
static struct spi_master spi_master_yangtze = {
static const struct spi_master spi_master_yangtze = {
.max_data_read = FIFO_SIZE_YANGTZE - 3, /* Apparently the big SPI 100 buffer is not a ring buffer. */
.max_data_write = FIFO_SIZE_YANGTZE - 3,
.command = spi100_spi_send_command,
@ -590,7 +590,7 @@ static struct spi_master spi_master_yangtze = {
.write_aai = default_spi_write_aai,
};
static struct spi_master spi_master_promontory = {
static const struct spi_master spi_master_promontory = {
.max_data_read = MAX_DATA_READ_UNLIMITED,
.max_data_write = FIFO_SIZE_YANGTZE - 3,
.command = spi100_spi_send_command,
@ -787,18 +787,14 @@ int sb600_probe_spi(struct pci_dev *dev)
data->sb600_spibar = sb600_spibar;
register_shutdown(sb600spi_shutdown, data);
spi_master_sb600.data = data;
spi_master_yangtze.data = data;
spi_master_promontory.data = data;
/* Starting with Yangtze the SPI controller got a different interface with a much bigger buffer. */
if (amd_gen < CHIPSET_YANGTZE)
register_spi_master(&spi_master_sb600, NULL);
register_spi_master(&spi_master_sb600, data);
else if (amd_gen == CHIPSET_YANGTZE)
register_spi_master(&spi_master_yangtze, NULL);
register_spi_master(&spi_master_yangtze, data);
else
register_spi_master(&spi_master_promontory, NULL);
register_spi_master(&spi_master_promontory, data);
return 0;
}