dma: fsl_raid: keep MMIO bases as void __iomem and cast at access

The fsl_re_ctrl and fsl_re_chan_cfg structures describe memory-mapped
RAID Engine registers accessed only via ioread32be()/iowrite32be(), yet
the pointers to them (re_regs in struct fsl_re_drv_private, and jrregs
in struct fsl_re_chan) were not __iomem-qualified, so sparse emitted
"different address spaces" warnings for every register access.

Store both MMIO bases as a plain void __iomem * and derive jrregs with
void __iomem * arithmetic from re_regs, rather than carrying typed
register struct pointers through the driver. Each function that touches
the registers introduces a local typed pointer (struct fsl_re_ctrl
__iomem *ctrl) and uses ->field, which is the idiomatic kernel pattern
 and keeps the registers' __iomem qualification intact.

Reported-by: kernel test robot <lkp@intel.com>
Link: https://lore.kernel.org/oe-kbuild-all/202008111749.yy85rFMD%25lkp@intel.com/
Assisted-by: opencode:hy3-free
Signed-off-by: Rosen Penev <rosenp@gmail.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Link: https://patch.msgid.link/20260716202949.677290-4-rosenp@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>

0 files changed, 0 insertions, 0 deletions