github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-05-21 05:18:45 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

usb: xhci: remove redundant variable 'erst_size'

Browse Source 
'erst_size' represents the maximum capacity of entries that ERST can hold,
while 'num_entries' indicates the actual number of entries currently held
in the ERST. These two values are identical because the xhci driver does
not support ERST expansion. Thus, 'erst_size' is removed.

Suggested-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Niklas Neronin <niklas.neronin@linux.intel.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20240429140245.3955523-7-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Niklas Neronin 2024-04-29 17:02:33 +03:00 committed by Greg Kroah-Hartman
parent 5adc1cc038
commit 7e2bd7dd80
2 changed files with 1 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/usb/host/xhci-dbgcap.c
View File

@ -516,7 +516,7 @@ static int xhci_dbc_mem_init(struct xhci_dbc *dbc, gfp_t flags)
goto string_fail;
/* Setup ERST register: */
writel(dbc->erst.erst_size, &dbc->regs->ersts);
writel(dbc->erst.num_entries, &dbc->regs->ersts);
lo_hi_writeq(dbc->erst.erst_dma_addr, &dbc->regs->erstba);
deq = xhci_trb_virt_to_dma(dbc->ring_evt->deq_seg,

2
drivers/usb/host/xhci.h
View File

@ -1376,8 +1376,6 @@ struct xhci_erst {
unsigned int num_entries;
/* xhci->event_ring keeps track of segment dma addresses */
dma_addr_t erst_dma_addr;
/* Num entries the ERST can contain */
unsigned int erst_size;
};
struct xhci_scratchpad {