AuxXxilium/linux_dsm_epyc7002
1
0
Fork 0
mirror of https://github.com/AuxXxilium/linux_dsm_epyc7002.git synced 2024-12-28 11:18:45 +07:00
Code Issues Actions Packages Projects Releases Wiki Activity

Merge branch 'qca_spi-fixes'

Browse Source 
Stefan Wahren says:

====================
net: qca_spi: Fix receive and reset issues

This small patch series fixes two major issues in the SPI driver for the
QCA700x.

It has been tested on a Charge Control C 300 (NXP i.MX6ULL +
2x QCA7000).
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2019-11-20 12:42:23 -08:00
commit b172845a40
2 changed files with 6 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
drivers/net/ethernet/qualcomm/qca_spi.c
View File

@ -363,7 +363,7 @@ qcaspi_receive(struct qcaspi *qca)
netdev_dbg(net_dev, "qcaspi_receive: SPI_REG_RDBUF_BYTE_AVA: Value: %08x\n",
available);
if (available > QCASPI_HW_BUF_LEN) {
if (available > QCASPI_HW_BUF_LEN + QCASPI_HW_PKT_LEN) {
/* This could only happen by interferences on the SPI line.
* So retry later ...
*/
@ -496,7 +496,6 @@ qcaspi_qca7k_sync(struct qcaspi *qca, int event)
u16 signature = 0;
u16 spi_config;
u16 wrbuf_space = 0;
static u16 reset_count;
if (event == QCASPI_EVENT_CPUON) {
/* Read signature twice, if not valid
@ -549,13 +548,13 @@ qcaspi_qca7k_sync(struct qcaspi *qca, int event)
qca->sync = QCASPI_SYNC_RESET;
qca->stats.trig_reset++;
reset_count = 0;
qca->reset_count = 0;
break;
case QCASPI_SYNC_RESET:
reset_count++;
qca->reset_count++;
netdev_dbg(qca->net_dev, "sync: waiting for CPU on, count %u.\n",
reset_count);
if (reset_count >= QCASPI_RESET_TIMEOUT) {
qca->reset_count);
if (qca->reset_count >= QCASPI_RESET_TIMEOUT) {
/* reset did not seem to take place, try again */
qca->sync = QCASPI_SYNC_UNKNOWN;
qca->stats.reset_timeout++;

1
drivers/net/ethernet/qualcomm/qca_spi.h
View File

@ -94,6 +94,7 @@ struct qcaspi {
unsigned int intr_req;
unsigned int intr_svc;
u16 reset_count;
#ifdef CONFIG_DEBUG_FS
struct dentry *device_root;