mhi: pci_generic: Fix implicit conversion warning

stable inclusion
from stable-v5.10.194
commit be4ccafc077f3830c685c734597c52bf83f7ed71
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I9399M

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=be4ccafc077f3830c685c734597c52bf83f7ed71



--------------------------------

commit 4ea6fa2c upstream.

Fix the following warning with explicit cast:

warning: implicit conversion from 'unsigned long long' to
'dma_addr_t' (aka 'unsigned int')
mhi_cntrl->iova_stop = DMA_BIT_MASK(info->dma_data_width);

Fixes: 855a70c1 ("bus: mhi: Add MHI PCI support for WWAN modems")
Signed-off-by: Loic Poulain <loic.poulain@linaro.org>
Reported-by: kernel test robot <lkp@intel.com>
Reviewed-by: Nathan Chancellor <natechancellor@gmail.com>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Cc: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: sanglipeng <sanglipeng1@jd.com>