Roberto Vargas ae551a1370 cci: Wait before reading status register ... The functions cci_enable_snoop_dvm_reqs and cci_disable_snoop_dvm_reqs write in the SNOOP_CTRL_REGISTER of the slave interface and it polls the status register to be sure that the operation is finished before leaving the functions. If the write in SNOOP_CTRL_REGISTER is reordered after the first read in the status register then these functions can finish before enabling/disabling snoops and DVM messages. The CCI500 TRM specifies: Wait for the completion of the write to the Snoop Control Register before testing the change_pending bit. Change-Id: Idc7685963f412be1c16bcd3c6e3cca826e2fdf38 Signed-off-by: Roberto Vargas <roberto.vargas@arm.com>		2018-07-19 12:51:52 +01:00
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cci.c	cci: Wait before reading status register	2018-07-19 12:51:52 +01:00