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spi: sirf: account for const type of of_device_id.data 

This driver creates various const structures that it stores in the
data field of an of_device_id array.

Adding const to the declaration of the location that receives the
const value from the data field ensures that the compiler will
continue to check that the value is not modified.  Furthermore, the
const-discarding cast on the extraction from the data field is no
longer needed.

Done using Coccinelle.

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Julia Lawall 2018-01-02 14:27:59 +01:00 committed by Mark Brown
parent 4fbd8d194f
commit 9e327ce71f
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GPG Key ID: 24D68B725D5487D0
1 changed files with 2 additions and 2 deletions
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drivers/spi/spi-sirf.c
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@ -1072,7 +1072,7 @@ static int spi_sirfsoc_probe(struct platform_device *pdev)
struct sirfsoc_spi *sspi;
struct spi_master *master;
struct resource *mem_res;
struct sirf_spi_comp_data *spi_comp_data;
const struct sirf_spi_comp_data *spi_comp_data;
int irq;
int ret;
const struct of_device_id *match;
@ -1092,7 +1092,7 @@ static int spi_sirfsoc_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, master);
sspi = spi_master_get_devdata(master);
sspi->fifo_full_offset = ilog2(sspi->fifo_size);
spi_comp_data = (struct sirf_spi_comp_data *)match->data;
spi_comp_data = match->data;
sspi->regs = spi_comp_data->regs;
sspi->type = spi_comp_data->type;
sspi->fifo_level_chk_mask = (sspi->fifo_size / 4) - 1;