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Diffstat (limited to 'drivers/mmc/core/Kconfig')
| -rw-r--r-- | drivers/mmc/core/Kconfig | 18 |
1 files changed, 0 insertions, 18 deletions
diff --git a/drivers/mmc/core/Kconfig b/drivers/mmc/core/Kconfig index fc1ecdaaa9ca..42e89060cd41 100644 --- a/drivers/mmc/core/Kconfig +++ b/drivers/mmc/core/Kconfig @@ -61,24 +61,6 @@ config MMC_BLOCK_MINORS If unsure, say 8 here. -config MMC_BLOCK_BOUNCE - bool "Use bounce buffer for simple hosts" - depends on MMC_BLOCK - default y - help - SD/MMC is a high latency protocol where it is crucial to - send large requests in order to get high performance. Many - controllers, however, are restricted to continuous memory - (i.e. they can't do scatter-gather), something the kernel - rarely can provide. - - Say Y here to help these restricted hosts by bouncing - requests back and forth from a large buffer. You will get - a big performance gain at the cost of up to 64 KiB of - physical memory. - - If unsure, say Y here. - config SDIO_UART tristate "SDIO UART/GPS class support" depends on TTY |