Author: loos
Date: Wed Feb 4 16:36:51 2015
New Revision: 278213
URL: https://svnweb.freebsd.org/changeset/base/278213
Log:
Remove stale comments about the issues with HS mode.
Remove a previous workaround to limit the minimum sdhci frequency that
isn't needed anymore.
Modified:
head/sys/arm/broadcom/bcm2835/bcm2835_sdhci.c
Modified: head/sys/arm/broadcom/bcm2835/bcm2835_sdhci.c
==============================================================================
--- head/sys/arm/broadcom/bcm2835/bcm2835_sdhci.c Wed Feb 4 16:21:45
2015 (r278212)
+++ head/sys/arm/broadcom/bcm2835/bcm2835_sdhci.c Wed Feb 4 16:36:51
2015 (r278213)
@@ -67,19 +67,9 @@ __FBSDID("$FreeBSD$");
#define dprintf(fmt, args...)
#endif
-/*
- * Arasan HC seems to have problem with Data CRC on lower frequencies.
- * Use this tunable to cap initialization sequence frequency at higher
- * value. Default is standard 400kHz.
- * HS mode brings too many problems for most of cards, so disable HS mode
- * until a better fix comes up.
- * HS mode still can be enabled with the tunable.
- */
-static int bcm2835_sdhci_min_freq = 400000;
static int bcm2835_sdhci_hs = 1;
static int bcm2835_sdhci_pio_mode = 0;
-TUNABLE_INT("hw.bcm2835.sdhci.min_freq", &bcm2835_sdhci_min_freq);
TUNABLE_INT("hw.bcm2835.sdhci.hs", &bcm2835_sdhci_hs);
TUNABLE_INT("hw.bcm2835.sdhci.pio_mode", &bcm2835_sdhci_pio_mode);
@@ -404,13 +394,6 @@ bcm_sdhci_write_multi_4(device_t dev, st
bus_space_write_multi_4(sc->sc_bst, sc->sc_bsh, off, data, count);
}
-static uint32_t
-bcm_sdhci_min_freq(device_t dev, struct sdhci_slot *slot)
-{
-
- return bcm2835_sdhci_min_freq;
-}
-
static void
bcm_sdhci_start_dma_seg(struct bcm_sdhci_softc *sc)
{
@@ -663,7 +646,6 @@ static device_method_t bcm_sdhci_methods
DEVMETHOD(mmcbr_acquire_host, sdhci_generic_acquire_host),
DEVMETHOD(mmcbr_release_host, sdhci_generic_release_host),
- DEVMETHOD(sdhci_min_freq, bcm_sdhci_min_freq),
/* Platform transfer methods */
DEVMETHOD(sdhci_platform_will_handle,
bcm_sdhci_will_handle_transfer),
DEVMETHOD(sdhci_platform_start_transfer,
bcm_sdhci_start_transfer),
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