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authorLinus Torvalds <torvalds@linux-foundation.org>2022-04-19 10:30:43 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2022-04-19 10:30:43 -0700
commitb7f73403a3e922c20bb278ba3cfcc3c61930d82a (patch)
tree14bbc6a7a8307ef92477078248c602e545d0648b
parent705191b03d507744c7e097f78d583621c14988ac (diff)
parent8c235cc25087495c4288d94f547e9d3061004991 (diff)
downloadlinux-b7f73403a3e922c20bb278ba3cfcc3c61930d82a.tar.gz
Merge tag 'spi-fix-v5.18-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi fixes from Mark Brown: "A few more fixes for SPI, plus one new PCI ID for another Intel chipset. All device specific stuff" * tag 'spi-fix-v5.18-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: spi: atmel-quadspi: Fix the buswidth adjustment between spi-mem and controller spi: cadence-quadspi: fix incorrect supports_op() return value spi: intel: Add support for Raptor Lake-S SPI serial flash spi: spi-mtk-nor: initialize spi controller after resume
-rw-r--r--drivers/spi/atmel-quadspi.c3
-rw-r--r--drivers/spi/spi-cadence-quadspi.c19
-rw-r--r--drivers/spi/spi-intel-pci.c1
-rw-r--r--drivers/spi/spi-mtk-nor.c12
4 files changed, 32 insertions, 3 deletions
diff --git a/drivers/spi/atmel-quadspi.c b/drivers/spi/atmel-quadspi.c
index 92d9610df1fd8f..938017a60c8ed2 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 616ada891974e3..19686fb47bb352 100644
--- a/drivers/spi/spi-cadence-quadspi.c
+++ b/drivers/spi/spi-cadence-quadspi.c
@@ -1415,9 +1415,24 @@ 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;
+ }
return spi_mem_default_supports_op(mem, op);
}
diff --git a/drivers/spi/spi-intel-pci.c b/drivers/spi/spi-intel-pci.c
index a5ef7a526a7fc9..f6eec7a869b6a7 100644
--- a/drivers/spi/spi-intel-pci.c
+++ b/drivers/spi/spi-intel-pci.c
@@ -72,6 +72,7 @@ static const struct pci_device_id intel_spi_pci_ids[] = {
{ PCI_VDEVICE(INTEL, 0x4da4), (unsigned long)&bxt_info },
{ PCI_VDEVICE(INTEL, 0x51a4), (unsigned long)&cnl_info },
{ PCI_VDEVICE(INTEL, 0x54a4), (unsigned long)&cnl_info },
+ { PCI_VDEVICE(INTEL, 0x7a24), (unsigned long)&cnl_info },
{ PCI_VDEVICE(INTEL, 0x7aa4), (unsigned long)&cnl_info },
{ PCI_VDEVICE(INTEL, 0xa0a4), (unsigned long)&bxt_info },
{ PCI_VDEVICE(INTEL, 0xa1a4), (unsigned long)&bxt_info },
diff --git a/drivers/spi/spi-mtk-nor.c b/drivers/spi/spi-mtk-nor.c
index 94fb09696677f1..d167699a1a96bd 100644
--- a/drivers/spi/spi-mtk-nor.c
+++ b/drivers/spi/spi-mtk-nor.c
@@ -960,7 +960,17 @@ 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 = {