[7/7] hwrng: octeon - Fix sparse warnings

Message ID E1jpolr-0003wR-3z@fornost.hmeau.com
State Accepted
Commit 74da405803c64dd6601a822b4c3e7b4ee7816058
Headers show
Series
  • [1/7] hwrng: npcm - Fix W=1 unused variable warning
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Commit Message

Herbert Xu June 29, 2020, 8:04 a.m.
This patch fixes a bunch of sparse warnings by adding __force tags
when casting __iomem poitners to u64.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---

 drivers/char/hw_random/octeon-rng.c |    6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

Patch

diff --git a/drivers/char/hw_random/octeon-rng.c b/drivers/char/hw_random/octeon-rng.c
index 7be8067ac4e87..8561a09b46814 100644
--- a/drivers/char/hw_random/octeon-rng.c
+++ b/drivers/char/hw_random/octeon-rng.c
@@ -33,7 +33,7 @@  static int octeon_rng_init(struct hwrng *rng)
 	ctl.u64 = 0;
 	ctl.s.ent_en = 1; /* Enable the entropy source.  */
 	ctl.s.rng_en = 1; /* Enable the RNG hardware.  */
-	cvmx_write_csr((u64)p->control_status, ctl.u64);
+	cvmx_write_csr((__force u64)p->control_status, ctl.u64);
 	return 0;
 }
 
@@ -44,14 +44,14 @@  static void octeon_rng_cleanup(struct hwrng *rng)
 
 	ctl.u64 = 0;
 	/* Disable everything.  */
-	cvmx_write_csr((u64)p->control_status, ctl.u64);
+	cvmx_write_csr((__force u64)p->control_status, ctl.u64);
 }
 
 static int octeon_rng_data_read(struct hwrng *rng, u32 *data)
 {
 	struct octeon_rng *p = container_of(rng, struct octeon_rng, ops);
 
-	*data = cvmx_read64_uint32((u64)p->result);
+	*data = cvmx_read64_uint32((__force u64)p->result);
 	return sizeof(u32);
 }