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-rw-r--r--drivers/spi/spi-fsl-lpspi.c8
-rw-r--r--drivers/spi/spi-mem.c4
-rw-r--r--drivers/spi/spi-qpic-snand.c22
-rw-r--r--drivers/spi/spi-st-ssc4.c10
4 files changed, 27 insertions, 17 deletions
diff --git a/drivers/spi/spi-fsl-lpspi.c b/drivers/spi/spi-fsl-lpspi.c
index 67d4000c3cef..313e444a34f3 100644
--- a/drivers/spi/spi-fsl-lpspi.c
+++ b/drivers/spi/spi-fsl-lpspi.c
@@ -330,13 +330,11 @@ static int fsl_lpspi_set_bitrate(struct fsl_lpspi_data *fsl_lpspi)
}
if (config.speed_hz > perclk_rate / 2) {
- dev_err(fsl_lpspi->dev,
- "per-clk should be at least two times of transfer speed");
- return -EINVAL;
+ div = 2;
+ } else {
+ div = DIV_ROUND_UP(perclk_rate, config.speed_hz);
}
- div = DIV_ROUND_UP(perclk_rate, config.speed_hz);
-
for (prescale = 0; prescale <= prescale_max; prescale++) {
scldiv = div / (1 << prescale) - 2;
if (scldiv >= 0 && scldiv < 256) {
diff --git a/drivers/spi/spi-mem.c b/drivers/spi/spi-mem.c
index d3b7e857b377..064b99204d9a 100644
--- a/drivers/spi/spi-mem.c
+++ b/drivers/spi/spi-mem.c
@@ -265,6 +265,9 @@ static bool spi_mem_internal_supports_op(struct spi_mem *mem,
*/
bool spi_mem_supports_op(struct spi_mem *mem, const struct spi_mem_op *op)
{
+ /* Make sure the operation frequency is correct before going futher */
+ spi_mem_adjust_op_freq(mem, (struct spi_mem_op *)op);
+
if (spi_mem_check_op(op))
return false;
@@ -577,6 +580,7 @@ EXPORT_SYMBOL_GPL(spi_mem_adjust_op_freq);
* spi_mem_calc_op_duration() - Derives the theoretical length (in ns) of an
* operation. This helps finding the best variant
* among a list of possible choices.
+ * @mem: the SPI memory
* @op: the operation to benchmark
*
* Some chips have per-op frequency limitations, PCBs usually have their own
diff --git a/drivers/spi/spi-qpic-snand.c b/drivers/spi/spi-qpic-snand.c
index a8c4eb1cbde1..0ceaad7dba3c 100644
--- a/drivers/spi/spi-qpic-snand.c
+++ b/drivers/spi/spi-qpic-snand.c
@@ -210,13 +210,21 @@ static int qcom_spi_ooblayout_ecc(struct mtd_info *mtd, int section,
struct qcom_nand_controller *snandc = nand_to_qcom_snand(nand);
struct qpic_ecc *qecc = snandc->qspi->ecc;
- if (section > 1)
- return -ERANGE;
-
- oobregion->length = qecc->ecc_bytes_hw + qecc->spare_bytes;
- oobregion->offset = mtd->oobsize - oobregion->length;
+ switch (section) {
+ case 0:
+ oobregion->offset = 0;
+ oobregion->length = qecc->bytes * (qecc->steps - 1) +
+ qecc->bbm_size;
+ return 0;
+ case 1:
+ oobregion->offset = qecc->bytes * (qecc->steps - 1) +
+ qecc->bbm_size +
+ qecc->steps * 4;
+ oobregion->length = mtd->oobsize - oobregion->offset;
+ return 0;
+ }
- return 0;
+ return -ERANGE;
}
static int qcom_spi_ooblayout_free(struct mtd_info *mtd, int section,
@@ -1196,7 +1204,7 @@ static int qcom_spi_program_oob(struct qcom_nand_controller *snandc,
u32 cfg0, cfg1, ecc_bch_cfg, ecc_buf_cfg;
cfg0 = (ecc_cfg->cfg0 & ~CW_PER_PAGE_MASK) |
- FIELD_PREP(CW_PER_PAGE_MASK, num_cw - 1);
+ FIELD_PREP(CW_PER_PAGE_MASK, 0);
cfg1 = ecc_cfg->cfg1;
ecc_bch_cfg = ecc_cfg->ecc_bch_cfg;
ecc_buf_cfg = ecc_cfg->ecc_buf_cfg;
diff --git a/drivers/spi/spi-st-ssc4.c b/drivers/spi/spi-st-ssc4.c
index 49ab4c515156..c07c61dc4938 100644
--- a/drivers/spi/spi-st-ssc4.c
+++ b/drivers/spi/spi-st-ssc4.c
@@ -378,7 +378,7 @@ static void spi_st_remove(struct platform_device *pdev)
pinctrl_pm_select_sleep_state(&pdev->dev);
}
-static int __maybe_unused spi_st_runtime_suspend(struct device *dev)
+static int spi_st_runtime_suspend(struct device *dev)
{
struct spi_controller *host = dev_get_drvdata(dev);
struct spi_st *spi_st = spi_controller_get_devdata(host);
@@ -391,7 +391,7 @@ static int __maybe_unused spi_st_runtime_suspend(struct device *dev)
return 0;
}
-static int __maybe_unused spi_st_runtime_resume(struct device *dev)
+static int spi_st_runtime_resume(struct device *dev)
{
struct spi_controller *host = dev_get_drvdata(dev);
struct spi_st *spi_st = spi_controller_get_devdata(host);
@@ -428,8 +428,8 @@ static int __maybe_unused spi_st_resume(struct device *dev)
}
static const struct dev_pm_ops spi_st_pm = {
- SET_SYSTEM_SLEEP_PM_OPS(spi_st_suspend, spi_st_resume)
- SET_RUNTIME_PM_OPS(spi_st_runtime_suspend, spi_st_runtime_resume, NULL)
+ SYSTEM_SLEEP_PM_OPS(spi_st_suspend, spi_st_resume)
+ RUNTIME_PM_OPS(spi_st_runtime_suspend, spi_st_runtime_resume, NULL)
};
static const struct of_device_id stm_spi_match[] = {
@@ -441,7 +441,7 @@ MODULE_DEVICE_TABLE(of, stm_spi_match);
static struct platform_driver spi_st_driver = {
.driver = {
.name = "spi-st",
- .pm = pm_sleep_ptr(&spi_st_pm),
+ .pm = pm_ptr(&spi_st_pm),
.of_match_table = of_match_ptr(stm_spi_match),
},
.probe = spi_st_probe,