diff options
| author | Joel Stanley <joel@jms.id.au> | 2022-04-28 04:48:27 +0300 |
|---|---|---|
| committer | Joel Stanley <joel@jms.id.au> | 2022-04-28 04:48:30 +0300 |
| commit | 49caedb668e476c100d727f2174724e0610a2b92 (patch) | |
| tree | 7169ad544c5c1aa0303104785f9c4bb377198030 /drivers/spi | |
| parent | bec70691aa671f98adc78960c080f41f28c7040f (diff) | |
| parent | 45451e8015a91de5d1a512c3e3d7373bbcb58fb0 (diff) | |
| download | linux-49caedb668e476c100d727f2174724e0610a2b92.tar.xz | |
Merge tag 'v5.15.36' into dev-5.15
This is the 5.15.36 stable release
Signed-off-by: Joel Stanley <joel@jms.id.au>
Diffstat (limited to 'drivers/spi')
| -rw-r--r-- | drivers/spi/atmel-quadspi.c | 3 | ||||
| -rw-r--r-- | drivers/spi/spi-cadence-quadspi.c | 19 | ||||
| -rw-r--r-- | drivers/spi/spi-mtk-nor.c | 12 |
3 files changed, 31 insertions, 3 deletions
diff --git a/drivers/spi/atmel-quadspi.c b/drivers/spi/atmel-quadspi.c index 92d9610df1fd..938017a60c8e 100644 --- a/drivers/spi/atmel-quadspi.c +++ b/drivers/spi/atmel-quadspi.c @@ -277,6 +277,9 @@ static int atmel_qspi_find_mode(const struct spi_mem_op *op) static bool atmel_qspi_supports_op(struct spi_mem *mem, const struct spi_mem_op *op) { + if (!spi_mem_default_supports_op(mem, op)) + return false; + if (atmel_qspi_find_mode(op) < 0) return false; diff --git a/drivers/spi/spi-cadence-quadspi.c b/drivers/spi/spi-cadence-quadspi.c index 1a6294a06e72..75680eecd2f7 100644 --- a/drivers/spi/spi-cadence-quadspi.c +++ b/drivers/spi/spi-cadence-quadspi.c @@ -1226,9 +1226,24 @@ static bool cqspi_supports_mem_op(struct spi_mem *mem, all_false = !op->cmd.dtr && !op->addr.dtr && !op->dummy.dtr && !op->data.dtr; - /* Mixed DTR modes not supported. */ - if (!(all_true || all_false)) + if (all_true) { + /* Right now we only support 8-8-8 DTR mode. */ + if (op->cmd.nbytes && op->cmd.buswidth != 8) + return false; + if (op->addr.nbytes && op->addr.buswidth != 8) + return false; + if (op->data.nbytes && op->data.buswidth != 8) + return false; + } else if (all_false) { + /* Only 1-1-X ops are supported without DTR */ + if (op->cmd.nbytes && op->cmd.buswidth > 1) + return false; + if (op->addr.nbytes && op->addr.buswidth > 1) + return false; + } else { + /* Mixed DTR modes are not supported. */ return false; + } if (all_true) return spi_mem_dtr_supports_op(mem, op); diff --git a/drivers/spi/spi-mtk-nor.c b/drivers/spi/spi-mtk-nor.c index 5c93730615f8..6d203477c04b 100644 --- a/drivers/spi/spi-mtk-nor.c +++ b/drivers/spi/spi-mtk-nor.c @@ -909,7 +909,17 @@ static int __maybe_unused mtk_nor_suspend(struct device *dev) static int __maybe_unused mtk_nor_resume(struct device *dev) { - return pm_runtime_force_resume(dev); + struct spi_controller *ctlr = dev_get_drvdata(dev); + struct mtk_nor *sp = spi_controller_get_devdata(ctlr); + int ret; + + ret = pm_runtime_force_resume(dev); + if (ret) + return ret; + + mtk_nor_init(sp); + + return 0; } static const struct dev_pm_ops mtk_nor_pm_ops = { |