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At Android ADB and MTP use case, it uses f_fs which supports scatter list, it means one request may need several TRBs for it. Besides, TRB consumes very fast compared to TRB has prepared for above use case, there are at most 120 pending requests, the date size is 16KB for each request, so four TRBs (4KB per TRB) per sg entry at worst case. so we need to enlarge the TRB ring length to avoid "no free TRB error". Since each TRB only consumes 12 bytes (3 * 32 bits), we enlarge the TRB length to 600, it leaves some buffers for potential "no free TRB error", and only increases a little memory cost. Signed-off-by: Peter Chen <peter.chen@nxp.com> Signed-off-by: Felipe Balbi <balbi@kernel.org> |
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| .. | ||
| cdns3-imx.c | ||
| cdns3-pci-wrap.c | ||
| cdns3-ti.c | ||
| core.c | ||
| core.h | ||
| debug.h | ||
| drd.c | ||
| drd.h | ||
| ep0.c | ||
| gadget-export.h | ||
| gadget.c | ||
| gadget.h | ||
| host-export.h | ||
| host.c | ||
| Kconfig | ||
| Makefile | ||
| trace.c | ||
| trace.h | ||