diff options
| -rw-r--r-- | drivers/spi/stm32_qspi.c | 27 |
1 files changed, 3 insertions, 24 deletions
diff --git a/drivers/spi/stm32_qspi.c b/drivers/spi/stm32_qspi.c index 90c207d518..eb52ff73b2 100644 --- a/drivers/spi/stm32_qspi.c +++ b/drivers/spi/stm32_qspi.c @@ -115,15 +115,8 @@ struct stm32_qspi_regs { #define STM32_BUSY_TIMEOUT_US 100000 #define STM32_ABT_TIMEOUT_US 100000 -struct stm32_qspi_flash { - u32 cr; - u32 dcr; - bool initialized; -}; - struct stm32_qspi_priv { struct stm32_qspi_regs *regs; - struct stm32_qspi_flash flash[STM32_QSPI_MAX_CHIP]; void __iomem *mm_base; resource_size_t mm_size; ulong clock_rate; @@ -407,25 +400,11 @@ static int stm32_qspi_claim_bus(struct udevice *dev) return -ENODEV; if (priv->cs_used != slave_cs) { - struct stm32_qspi_flash *flash = &priv->flash[slave_cs]; - priv->cs_used = slave_cs; - if (flash->initialized) { - /* Set the configuration: speed + cs */ - writel(flash->cr, &priv->regs->cr); - writel(flash->dcr, &priv->regs->dcr); - } else { - /* Set chip select */ - clrsetbits_le32(&priv->regs->cr, STM32_QSPI_CR_FSEL, - priv->cs_used ? STM32_QSPI_CR_FSEL : 0); - - /* Save the configuration: speed + cs */ - flash->cr = readl(&priv->regs->cr); - flash->dcr = readl(&priv->regs->dcr); - - flash->initialized = true; - } + /* Set chip select */ + clrsetbits_le32(&priv->regs->cr, STM32_QSPI_CR_FSEL, + priv->cs_used ? STM32_QSPI_CR_FSEL : 0); } setbits_le32(&priv->regs->cr, STM32_QSPI_CR_EN); |