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ipq807x: dcache support for spi nor driver

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Change-Id: Ic1c9319655dd937ce3345228a749bd08fccb572f
Signed-off-by: Gokul Sriram Palanisamy <gokulsri@codeaurora.org>
This commit is contained in:
Gokul Sriram Palanisamy 2018-01-24 14:43:43 +05:30 • committed by Gerrit - the friendly Code Review server
parent a0ff1642d4
commit a9998014f9
1 changed files with 11 additions and 1 deletions
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12
drivers/spi/qca_qup_spi_bam.c
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@ -389,7 +389,10 @@ struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs,
blsp_pin_config(ds->slave.bus, ds->slave.cs);
CS_change(ds->slave.bus, ds->slave.cs, CS_DEASSERT);
}
#if !defined(CONFIG_SYS_DCACHE_OFF)
flush_cache((unsigned long)ds,
(unsigned long)sizeof(struct ipq_spi_slave));
#endif
return &ds->slave;
err:
free(ds);
@ -648,6 +651,9 @@ static int blsp_spi_bam_begin_xfer(struct ipq_spi_slave *ds, const u8 *buffer,
rem_bytes = bytes;
#if !defined(CONFIG_SYS_DCACHE_OFF)
flush_cache((unsigned long)buffer, (unsigned long)bytes);
#endif
while (rem_bytes) {
tx_bytes_to_send = min_t(u32, bytes,
SPI_MAX_TRFR_BTWN_RESETS);
@ -708,6 +714,10 @@ static int blsp_spi_bam_begin_xfer(struct ipq_spi_slave *ds, const u8 *buffer,
bam_sys_gen_event(&bam, DATA_PRODUCER_PIPE_INDEX,
num_desc);
blsp_spi_wait_for_data(DATA_PRODUCER_PIPE_INDEX);
#if !defined(CONFIG_SYS_DCACHE_OFF)
flush_cache((unsigned long)buffer,
(unsigned long)bytes);
#endif
num_desc = 0;
rx_bytes_rcvd += data_xfer_size;
buffer = buffer + data_xfer_size;