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authorMinas Harutyunyan2020-05-21 10:05:44 +0400
committerFelipe Balbi2020-05-25 11:09:44 +0300
commit65dc2e725286106f99c6f6b78e3d9c52c15f3a9c (patch)
tree267a2f9b4db38c3354448e3ad17a5774896b188b /drivers/ata
parent4cda340a455b425f7df9657aaaa78a75757d940d (diff)
usb: dwc2: Update Core Reset programming flow.
Starting from core version 4.20a Core Reset flow is changed. Introduced new bit in GRSTCTL register - GRSTCTL_CSFTRST_DONE. Core Reset new programming flow steps are follow: 1. Set GRSTCTL_CSFTRST bit. 2. Wait for bit GRSTCTL_CSFTRST_DONE is set. 3. Clear GRSTCTL_CSFTRST and GRSTCTL_CSFTRST_DONE bits. Check core version functionality separated from dwc2_get_hwparams() to new dwc2_check_core_version() function because Core Reset flow depend on SNPSID. Signed-off-by: Minas Harutyunyan <hminas@synopsys.com> Signed-off-by: Felipe Balbi <balbi@kernel.org>
Diffstat (limited to 'drivers/ata')
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