summaryrefslogtreecommitdiffstats
path: root/drivers/spi
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/spi')
-rw-r--r--drivers/spi/spi-bcm-qspi.c4
-rw-r--r--drivers/spi/spi-hisi-sfc-v3xx.c5
-rw-r--r--drivers/spi/spi-mt65xx.c22
-rw-r--r--drivers/spi/spi-ppc4xx.c5
-rw-r--r--drivers/spi/spi-sh-msiof.c16
5 files changed, 27 insertions, 25 deletions
diff --git a/drivers/spi/spi-bcm-qspi.c b/drivers/spi/spi-bcm-qspi.c
index 2c734ea07..898658ab1 100644
--- a/drivers/spi/spi-bcm-qspi.c
+++ b/drivers/spi/spi-bcm-qspi.c
@@ -19,7 +19,7 @@
#include <linux/platform_device.h>
#include <linux/slab.h>
#include <linux/spi/spi.h>
-#include <linux/spi/spi-mem.h>
+#include <linux/mtd/spi-nor.h>
#include <linux/sysfs.h>
#include <linux/types.h>
#include "spi-bcm-qspi.h"
@@ -1048,7 +1048,7 @@ static int bcm_qspi_exec_mem_op(struct spi_mem *mem,
/* non-aligned and very short transfers are handled by MSPI */
if (!IS_ALIGNED((uintptr_t)addr, 4) || !IS_ALIGNED((uintptr_t)buf, 4) ||
- len < 4)
+ len < 4 || op->cmd.opcode == SPINOR_OP_RDSFDP)
mspi_read = true;
if (!has_bspi(qspi) || mspi_read)
diff --git a/drivers/spi/spi-hisi-sfc-v3xx.c b/drivers/spi/spi-hisi-sfc-v3xx.c
index 4650b483a..e0c3ad73c 100644
--- a/drivers/spi/spi-hisi-sfc-v3xx.c
+++ b/drivers/spi/spi-hisi-sfc-v3xx.c
@@ -365,6 +365,11 @@ static const struct spi_controller_mem_ops hisi_sfc_v3xx_mem_ops = {
static irqreturn_t hisi_sfc_v3xx_isr(int irq, void *data)
{
struct hisi_sfc_v3xx_host *host = data;
+ u32 reg;
+
+ reg = readl(host->regbase + HISI_SFC_V3XX_INT_STAT);
+ if (!reg)
+ return IRQ_NONE;
hisi_sfc_v3xx_disable_int(host);
diff --git a/drivers/spi/spi-mt65xx.c b/drivers/spi/spi-mt65xx.c
index 92a09dfb9..0bcf4a281 100644
--- a/drivers/spi/spi-mt65xx.c
+++ b/drivers/spi/spi-mt65xx.c
@@ -566,17 +566,19 @@ static irqreturn_t mtk_spi_interrupt(int irq, void *dev_id)
mdata->xfer_len = min(MTK_SPI_MAX_FIFO_SIZE, len);
mtk_spi_setup_packet(master);
- cnt = mdata->xfer_len / 4;
- iowrite32_rep(mdata->base + SPI_TX_DATA_REG,
- trans->tx_buf + mdata->num_xfered, cnt);
+ if (trans->tx_buf) {
+ cnt = mdata->xfer_len / 4;
+ iowrite32_rep(mdata->base + SPI_TX_DATA_REG,
+ trans->tx_buf + mdata->num_xfered, cnt);
- remainder = mdata->xfer_len % 4;
- if (remainder > 0) {
- reg_val = 0;
- memcpy(&reg_val,
- trans->tx_buf + (cnt * 4) + mdata->num_xfered,
- remainder);
- writel(reg_val, mdata->base + SPI_TX_DATA_REG);
+ remainder = mdata->xfer_len % 4;
+ if (remainder > 0) {
+ reg_val = 0;
+ memcpy(&reg_val,
+ trans->tx_buf + (cnt * 4) + mdata->num_xfered,
+ remainder);
+ writel(reg_val, mdata->base + SPI_TX_DATA_REG);
+ }
}
mtk_spi_enable_transfer(master);
diff --git a/drivers/spi/spi-ppc4xx.c b/drivers/spi/spi-ppc4xx.c
index d8ee363fb..4200b12fc 100644
--- a/drivers/spi/spi-ppc4xx.c
+++ b/drivers/spi/spi-ppc4xx.c
@@ -166,10 +166,8 @@ static int spi_ppc4xx_setupxfer(struct spi_device *spi, struct spi_transfer *t)
int scr;
u8 cdm = 0;
u32 speed;
- u8 bits_per_word;
/* Start with the generic configuration for this device. */
- bits_per_word = spi->bits_per_word;
speed = spi->max_speed_hz;
/*
@@ -177,9 +175,6 @@ static int spi_ppc4xx_setupxfer(struct spi_device *spi, struct spi_transfer *t)
* the transfer to overwrite the generic configuration with zeros.
*/
if (t) {
- if (t->bits_per_word)
- bits_per_word = t->bits_per_word;
-
if (t->speed_hz)
speed = min(t->speed_hz, spi->max_speed_hz);
}
diff --git a/drivers/spi/spi-sh-msiof.c b/drivers/spi/spi-sh-msiof.c
index 35d303782..12fd02f92 100644
--- a/drivers/spi/spi-sh-msiof.c
+++ b/drivers/spi/spi-sh-msiof.c
@@ -137,14 +137,14 @@ struct sh_msiof_spi_priv {
/* SIFCTR */
#define SIFCTR_TFWM_MASK GENMASK(31, 29) /* Transmit FIFO Watermark */
-#define SIFCTR_TFWM_64 (0 << 29) /* Transfer Request when 64 empty stages */
-#define SIFCTR_TFWM_32 (1 << 29) /* Transfer Request when 32 empty stages */
-#define SIFCTR_TFWM_24 (2 << 29) /* Transfer Request when 24 empty stages */
-#define SIFCTR_TFWM_16 (3 << 29) /* Transfer Request when 16 empty stages */
-#define SIFCTR_TFWM_12 (4 << 29) /* Transfer Request when 12 empty stages */
-#define SIFCTR_TFWM_8 (5 << 29) /* Transfer Request when 8 empty stages */
-#define SIFCTR_TFWM_4 (6 << 29) /* Transfer Request when 4 empty stages */
-#define SIFCTR_TFWM_1 (7 << 29) /* Transfer Request when 1 empty stage */
+#define SIFCTR_TFWM_64 (0UL << 29) /* Transfer Request when 64 empty stages */
+#define SIFCTR_TFWM_32 (1UL << 29) /* Transfer Request when 32 empty stages */
+#define SIFCTR_TFWM_24 (2UL << 29) /* Transfer Request when 24 empty stages */
+#define SIFCTR_TFWM_16 (3UL << 29) /* Transfer Request when 16 empty stages */
+#define SIFCTR_TFWM_12 (4UL << 29) /* Transfer Request when 12 empty stages */
+#define SIFCTR_TFWM_8 (5UL << 29) /* Transfer Request when 8 empty stages */
+#define SIFCTR_TFWM_4 (6UL << 29) /* Transfer Request when 4 empty stages */
+#define SIFCTR_TFWM_1 (7UL << 29) /* Transfer Request when 1 empty stage */
#define SIFCTR_TFUA_MASK GENMASK(26, 20) /* Transmit FIFO Usable Area */
#define SIFCTR_TFUA_SHIFT 20
#define SIFCTR_TFUA(i) ((i) << SIFCTR_TFUA_SHIFT)