Hello. Anton Vorontsov wrote:
Factor out some ahci_em_messages handling code from ahci_init_one(). We would like to reuse it for non-PCI devices. Signed-off-by: Anton Vorontsov <avorontsov@xxxxxxxxxxxxx> --- drivers/ata/ahci.c | 41 ++++++++++++++++++++++++----------------- 1 files changed, 24 insertions(+), 17 deletions(-) diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c index 18443e9..6694b17 100644 --- a/drivers/ata/ahci.c +++ b/drivers/ata/ahci.c @@ -3040,6 +3040,29 @@ static inline void ahci_gtf_filter_workaround(struct ata_host *host) {} #endif+static void ahci_set_em_messages(struct ahci_host_priv *hpriv,+ struct ata_port_info *pi) +{ + u8 messages; + void __iomem *mmio = hpriv->mmio; + u32 em_loc = readl(mmio + HOST_EM_LOC); + u32 em_ctl = readl(mmio + HOST_EM_CTL); + + if (!ahci_em_messages || !(hpriv->cap & HOST_CAP_EMS)) + return; + + messages = (em_ctl & EM_CTRL_MSG_TYPE) >> 16; + + /* we only support LED message type right now */ + if ((messages & 0x01) && (ahci_em_messages == 1)) { + /* store em_loc */ + hpriv->em_loc = ((em_loc >> 16) * 4);
Could drop unneeded parens, while at it... MBR, Sergei -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
