[PATCH] fixup! net: designware_eqs: set upper 32bit address for DMA descriptors to support 64-bit addressing
Ahmad Fatoum <[email protected]>
| Newsgroups | org.infradead.lists.barebox |
|---|---|
| Message-ID | <[email protected]> |
net: designware_eqos: fix left shift count >= width of type CI builds with -Werror, including -Werror=shift-count-overflow, which fails for STM32MP enabled platform that use EQOS on a 32-bit platform. As des1 will have always been programmed to zero on a 32-bit platform, we can just suppress the warning with a cast. Cc: zhengxiaojun <[email protected]> Signed-off-by: Ahmad Fatoum <[email protected]> --- drivers/net/designware_eqos.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/designware_eqos.c b/drivers/net/designware_eqos.c index 332dc7eb7366..4011b006dd70 100644 --- a/drivers/net/designware_eqos.c +++ b/drivers/net/designware_eqos.c @@ -955,8 +955,8 @@ void eqos_remove(struct device *dev) mdiobus_unregister(&eqos->miibus); - dma = eqos->rx_descs[0].des1; - dma = (dma << 32) + eqos->rx_descs[0].des0; + dma = (u64)eqos->rx_descs[0].des1 << 32; + dma |= eqos->rx_descs[0].des0; dma_free(phys_to_virt(dma)); dma_free_coherent(DMA_DEVICE_BROKEN, eqos->tx_descs, 0, EQOS_DESCRIPTORS_SIZE); -- 2.47.3