spi: pxa2xx: Do not needlessly initialize stack variables
All of these variables are unconditionally set before their use. Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com> Signed-off-by: Mark Brown <broonie@kernel.org>
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29b4817d40
Коммит
bffc967e93
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@ -146,7 +146,7 @@ irqreturn_t pxa2xx_spi_dma_transfer(struct driver_data *drv_data)
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int pxa2xx_spi_dma_prepare(struct driver_data *drv_data, u32 dma_burst)
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{
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struct dma_async_tx_descriptor *tx_desc, *rx_desc;
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int err = 0;
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int err;
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tx_desc = pxa2xx_spi_dma_prepare_one(drv_data, DMA_MEM_TO_DEV);
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if (!tx_desc) {
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@ -934,13 +934,13 @@ static void pump_transfers(unsigned long data)
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{
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struct driver_data *drv_data = (struct driver_data *)data;
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struct spi_master *master = drv_data->master;
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struct spi_message *message = NULL;
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struct spi_transfer *transfer = NULL;
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struct spi_transfer *previous = NULL;
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struct chip_data *chip = NULL;
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u32 clk_div = 0;
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u8 bits = 0;
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u32 speed = 0;
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struct spi_message *message;
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struct spi_transfer *transfer;
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struct spi_transfer *previous;
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struct chip_data *chip;
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u32 clk_div;
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u8 bits;
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u32 speed;
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u32 cr0;
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u32 cr1;
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u32 dma_thresh = drv_data->cur_chip->dma_threshold;
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@ -1213,7 +1213,7 @@ static int setup_cs(struct spi_device *spi, struct chip_data *chip,
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static int setup(struct spi_device *spi)
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{
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struct pxa2xx_spi_chip *chip_info = NULL;
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struct pxa2xx_spi_chip *chip_info;
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struct chip_data *chip;
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const struct lpss_config *config;
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struct driver_data *drv_data = spi_master_get_devdata(spi->master);
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@ -1742,7 +1742,7 @@ static int pxa2xx_spi_suspend(struct device *dev)
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{
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struct driver_data *drv_data = dev_get_drvdata(dev);
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struct ssp_device *ssp = drv_data->ssp;
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int status = 0;
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int status;
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status = spi_master_suspend(drv_data->master);
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if (status != 0)
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@ -1759,7 +1759,7 @@ static int pxa2xx_spi_resume(struct device *dev)
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{
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struct driver_data *drv_data = dev_get_drvdata(dev);
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struct ssp_device *ssp = drv_data->ssp;
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int status = 0;
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int status;
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/* Enable the SSP clock */
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if (!pm_runtime_suspended(dev))
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