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ata: ahci_imx: Fix compilation warning
When compiling with clang and W=1, the following warning is generated:
drivers/ata/ahci_imx.c:1070:18: error: cast to smaller integer type
'enum ahci_imx_type' from 'const void *'
[-Werror,-Wvoid-pointer-to-enum-cast]
imxpriv->type = (enum ahci_imx_type)of_id->data;
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Fix this by using a cast to unsigned long to match the "void *" type
size of of_id->data.
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>