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Subject[PATCH net-next 1/8] net: phy: mscc: macsec: fix sparse warnings
Date
This patch fixes the following sparse warnings when building MACsec
support in the MSCC PHY driver.

mscc_macsec.c:393:42: warning: cast from restricted sci_t
mscc_macsec.c:395:42: warning: restricted sci_t degrades to integer
mscc_macsec.c:402:42: warning: restricted __be16 degrades to integer
mscc_macsec.c:608:34: warning: cast from restricted sci_t
mscc_macsec.c:610:34: warning: restricted sci_t degrades to integer

Signed-off-by: Antoine Tenart <antoine.tenart@bootlin.com>
---
drivers/net/phy/mscc/mscc_macsec.c | 12 +++++++-----
1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/drivers/net/phy/mscc/mscc_macsec.c b/drivers/net/phy/mscc/mscc_macsec.c
index 713c62b1d1f0..77c8c2fb28de 100644
--- a/drivers/net/phy/mscc/mscc_macsec.c
+++ b/drivers/net/phy/mscc/mscc_macsec.c
@@ -385,21 +385,23 @@ static void vsc8584_macsec_flow(struct phy_device *phydev,
}

if (bank == MACSEC_INGR && flow->match.sci && flow->rx_sa->sc->sci) {
+ u64 sci = (__force u64)flow->rx_sa->sc->sci;
+
match |= MSCC_MS_SAM_MISC_MATCH_TCI(BIT(3));
mask |= MSCC_MS_SAM_MASK_TCI_MASK(BIT(3)) |
MSCC_MS_SAM_MASK_SCI_MASK;

vsc8584_macsec_phy_write(phydev, bank, MSCC_MS_SAM_MATCH_SCI_LO(idx),
- lower_32_bits(flow->rx_sa->sc->sci));
+ lower_32_bits(sci));
vsc8584_macsec_phy_write(phydev, bank, MSCC_MS_SAM_MATCH_SCI_HI(idx),
- upper_32_bits(flow->rx_sa->sc->sci));
+ upper_32_bits(sci));
}

if (flow->match.etype) {
mask |= MSCC_MS_SAM_MASK_MAC_ETYPE_MASK;

vsc8584_macsec_phy_write(phydev, bank, MSCC_MS_SAM_MAC_SA_MATCH_HI(idx),
- MSCC_MS_SAM_MAC_SA_MATCH_HI_ETYPE(htons(flow->etype)));
+ MSCC_MS_SAM_MAC_SA_MATCH_HI_ETYPE((__force u32)htons(flow->etype)));
}

match |= MSCC_MS_SAM_MISC_MATCH_PRIORITY(flow->priority);
@@ -545,7 +547,7 @@ static int vsc8584_macsec_transformation(struct phy_device *phydev,
int i, ret, index = flow->index;
u32 rec = 0, control = 0;
u8 hkey[16];
- sci_t sci;
+ u64 sci;

ret = vsc8584_macsec_derive_key(flow->key, priv->secy->key_len, hkey);
if (ret)
@@ -603,7 +605,7 @@ static int vsc8584_macsec_transformation(struct phy_device *phydev,
priv->secy->replay_window);

/* Set the input vectors */
- sci = bank == MACSEC_INGR ? flow->rx_sa->sc->sci : priv->secy->sci;
+ sci = (__force u64)(bank == MACSEC_INGR ? flow->rx_sa->sc->sci : priv->secy->sci);
vsc8584_macsec_phy_write(phydev, bank, MSCC_MS_XFORM_REC(index, rec++),
lower_32_bits(sci));
vsc8584_macsec_phy_write(phydev, bank, MSCC_MS_XFORM_REC(index, rec++),
--
2.26.2
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