Messages in this thread Patch in this message | | | From | Ioana Radulescu <> | Subject | [PATCH 4/5] staging: fsl-mc/dpio: Fix incorrect masking | Date | Tue, 6 Mar 2018 11:43:47 -0600 |
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In qbman_swp_alt_fq_state(), we need to mask the fqid value before converting it to little endian, otherwise we write a wrong value to hardware when running in big endian mode.
Signed-off-by: Ioana Radulescu <ruxandra.radulescu@nxp.com> --- drivers/staging/fsl-mc/bus/dpio/qbman-portal.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/staging/fsl-mc/bus/dpio/qbman-portal.c b/drivers/staging/fsl-mc/bus/dpio/qbman-portal.c index 377f4d9..7e55b56 100644 --- a/drivers/staging/fsl-mc/bus/dpio/qbman-portal.c +++ b/drivers/staging/fsl-mc/bus/dpio/qbman-portal.c @@ -927,7 +927,7 @@ int qbman_swp_alt_fq_state(struct qbman_swp *s, u32 fqid, if (!p) return -EBUSY; - p->fqid = cpu_to_le32(fqid) & ALT_FQ_FQID_MASK; + p->fqid = cpu_to_le32(fqid & ALT_FQ_FQID_MASK); /* Complete the management command */ r = qbman_swp_mc_complete(s, p, alt_fq_verb); -- 2.7.4
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