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| author | Tom Rini <trini@konsulko.com> | 2019-07-14 09:09:49 -0400 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2019-07-14 09:09:49 -0400 |
| commit | a9a3a37f92b072a56693ad665ab4c5cc73028d16 (patch) | |
| tree | d0a4e94e94d77ba06983abbe4b89d2c39a0c5d7f /drivers/spi/stm32_spi.c | |
| parent | 6070ef409c1018860e8dd1f077297546d9d80115 (diff) | |
| parent | 291f00bb3ea7e9f9acdddbe680991e76313732d6 (diff) | |
| download | u-boot-a9a3a37f92b072a56693ad665ab4c5cc73028d16.tar.gz | |
Merge tag 'u-boot-stm32-20190712' of https://gitlab.denx.de/u-boot/custodians/u-boot-stm
- syscon: add support for power off
- stm32mp1: add op-tee config
- stm32mp1: add specific commands: stboard and stm32key
- add stm32 mailbox driver
- solve many stm32 warnings when building with W=1
- update stm32 gpio driver
Diffstat (limited to 'drivers/spi/stm32_spi.c')
| -rw-r--r-- | drivers/spi/stm32_spi.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/spi/stm32_spi.c b/drivers/spi/stm32_spi.c index 34b217584d..75b6006b45 100644 --- a/drivers/spi/stm32_spi.c +++ b/drivers/spi/stm32_spi.c @@ -99,8 +99,8 @@ struct stm32_spi_priv { unsigned int cur_bpw; unsigned int cur_hz; unsigned int cur_xferlen; /* current transfer length in bytes */ - int tx_len; /* number of data to be written in bytes */ - int rx_len; /* number of data to be read in bytes */ + unsigned int tx_len; /* number of data to be written in bytes */ + unsigned int rx_len; /* number of data to be read in bytes */ const void *tx_buf; /* data to be written, or NULL */ void *rx_buf; /* data to be read, or NULL */ u32 cur_mode; @@ -322,7 +322,8 @@ static int stm32_spi_set_fthlv(struct udevice *dev, u32 xfer_len) static int stm32_spi_set_speed(struct udevice *bus, uint hz) { struct stm32_spi_priv *priv = dev_get_priv(bus); - u32 div, mbrdiv; + u32 mbrdiv; + long div; debug("%s: hz=%d\n", __func__, hz); @@ -341,7 +342,7 @@ static int stm32_spi_set_speed(struct udevice *bus, uint hz) else mbrdiv = fls(div) - 1; - if ((mbrdiv - 1) < 0) + if (!mbrdiv) return -EINVAL; clrsetbits_le32(priv->base + STM32_SPI_CFG1, SPI_CFG1_MBR, @@ -481,7 +482,7 @@ static int stm32_spi_probe(struct udevice *dev) struct stm32_spi_priv *priv = dev_get_priv(dev); unsigned long clk_rate; int ret; - int i; + unsigned int i; priv->base = dev_remap_addr(dev); if (!priv->base) |