Commit fdcb4b2e authored by Arnd Bergmann's avatar Arnd Bergmann Committed by Jon Mason

NTB: fix 32-bit compiler warning

resource_size_t may be 32-bit wide on some architectures, which causes
this warning when building the NTB code:

drivers/ntb/ntb_transport.c: In function 'ntb_transport_link_work':
drivers/ntb/ntb_transport.c:828:46: warning: right shift count >= width of type [-Wshift-count-overflow]

The warning is harmless but can be avoided by using the upper_32_bits()
Signed-off-by: default avatarArnd Bergmann <>
Fixes: e26a5843 ("NTB: Split ntb_hw_intel and ntb_transport drivers")
Signed-off-by: default avatarJon Mason <>
parent 8b782fab
......@@ -825,10 +825,10 @@ static void ntb_transport_link_work(struct work_struct *work)
size = max_mw_size;
spad = MW0_SZ_HIGH + (i * 2);
ntb_peer_spad_write(ndev, spad, (u32)(size >> 32));
ntb_peer_spad_write(ndev, spad, upper_32_bits(size));
spad = MW0_SZ_LOW + (i * 2);
ntb_peer_spad_write(ndev, spad, (u32)size);
ntb_peer_spad_write(ndev, spad, lower_32_bits(size));
ntb_peer_spad_write(ndev, NUM_MWS, nt->mw_count);
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