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Unverified Commit 09895d42 authored by Dimitris Papastamos's avatar Dimitris Papastamos Committed by GitHub
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Merge pull request #1520 from robertovargas-arm/cci-dsb 

cci: Use dsb to wait before reading status register
parents 3ba92957 fcb52dbf
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drivers/arm/cci/cci.c
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...@@ -147,7 +147,7 @@ void cci_enable_snoop_dvm_reqs(unsigned int master_id) ...@@ -147,7 +147,7 @@ void cci_enable_snoop_dvm_reqs(unsigned int master_id)
* Wait for the completion of the write to the Snoop Control Register * Wait for the completion of the write to the Snoop Control Register
* before testing the change_pending bit * before testing the change_pending bit
*/ */
dmbish(); dsbish();
/* Wait for the dust to settle down */ /* Wait for the dust to settle down */
while (mmio_read_32(cci_base + STATUS_REG) & CHANGE_PENDING_BIT) while (mmio_read_32(cci_base + STATUS_REG) & CHANGE_PENDING_BIT)
...@@ -174,7 +174,7 @@ void cci_disable_snoop_dvm_reqs(unsigned int master_id) ...@@ -174,7 +174,7 @@ void cci_disable_snoop_dvm_reqs(unsigned int master_id)
* Wait for the completion of the write to the Snoop Control Register * Wait for the completion of the write to the Snoop Control Register
* before testing the change_pending bit * before testing the change_pending bit
*/ */
dmbish(); dsbish();
/* Wait for the dust to settle down */ /* Wait for the dust to settle down */
while (mmio_read_32(cci_base + STATUS_REG) & CHANGE_PENDING_BIT) while (mmio_read_32(cci_base + STATUS_REG) & CHANGE_PENDING_BIT)
......
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