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ntb_hw_switchtec: make ntb_mw_set_trans() work when addr == 0 

On switchtec_ntb_mw_set_trans() call, when (only) address == 0, it acts as
ntb_mw_clear_trans(). Fix this, since address == 0 and size != 0 is valid
combination for setting translation.

Signed-off-by: Alexander Fomichev <fomichev.ru@gmail.com>
Reviewed-by: Logan Gunthorpe <logang@deltatee.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
This commit is contained in:
Alexander Fomichev 2019-07-16 20:34:48 +03:00 committed by Jon Mason
parent ae89339b08
commit c16c665560
1 changed files with 1 additions and 1 deletions
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2
drivers/ntb/hw/mscc/ntb_hw_switchtec.c
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@ -306,7 +306,7 @@ static int switchtec_ntb_mw_set_trans(struct ntb_dev *ntb, int pidx, int widx,
if (rc) if (rc)
return rc; return rc;
if (addr == 0 || size == 0) { if (size == 0) {
if (widx < nr_direct_mw) if (widx < nr_direct_mw)
switchtec_ntb_mw_clr_direct(sndev, widx); switchtec_ntb_mw_clr_direct(sndev, widx);
else else