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authorMarek Vasut <marex@denx.de>2015-08-01 02:48:03 +0200
committerMarek Vasut <marex@denx.de>2015-08-08 14:14:30 +0200
commitaa5659ac65b4eefc1685f9d520279c4ee553789a (patch)
treeabcdf2059f73479d535a4c53689bd50b0425ba2a /arch/arm/mach-socfpga/include/mach/scan_manager.h
parentcf96848bc76c7d680100e914b088ca34ed4e04e0 (diff)
arm: socfpga: scan: Clean up scan_chain_engine_is_idle()
Rework this function so it's clear that it is only polling for certain bits to be cleared. Add kerneldoc. Fix it's return value to be either 0 on success and -ETIMEDOUT on error and propagate this through the scan manager code. Signed-off-by: Marek Vasut <marex@denx.de> Acked-by: Dinh Nguyen <dinguyen@opensource.altera.com>
Diffstat (limited to 'arch/arm/mach-socfpga/include/mach/scan_manager.h')
-rw-r--r--arch/arm/mach-socfpga/include/mach/scan_manager.h9
1 files changed, 0 insertions, 9 deletions
diff --git a/arch/arm/mach-socfpga/include/mach/scan_manager.h b/arch/arm/mach-socfpga/include/mach/scan_manager.h
index 94ad50bd6b..ddf8790536 100644
--- a/arch/arm/mach-socfpga/include/mach/scan_manager.h
+++ b/arch/arm/mach-socfpga/include/mach/scan_manager.h
@@ -59,15 +59,6 @@ struct socfpga_scan_manager {
/* Position of second command byte for TDI_TDO packet */
#define TDI_TDO_HEADER_SECOND_BYTE_SHIFT 8
-/*
- * Maximum polling loop to wait for IO scan chain engine
- * becomes idle to prevent infinite loop
- */
-#define SCAN_MAX_DELAY 100
-
-#define SCANMGR_STAT_ACTIVE_GET(x) (((x) & 0x80000000) >> 31)
-#define SCANMGR_STAT_WFIFOCNT_GET(x) (((x) & 0x70000000) >> 28)
-
int scan_mgr_configure_iocsr(void);
int iocsr_get_config_table(const unsigned int chain_id,
const unsigned long **table,