diff options
Diffstat (limited to 'packages/linux/linux-2.6.18/mmc-add-bit-manipulating-macros.patch')
| -rw-r--r-- | packages/linux/linux-2.6.18/mmc-add-bit-manipulating-macros.patch | 321 |
1 files changed, 321 insertions, 0 deletions
diff --git a/packages/linux/linux-2.6.18/mmc-add-bit-manipulating-macros.patch b/packages/linux/linux-2.6.18/mmc-add-bit-manipulating-macros.patch new file mode 100644 index 0000000000..544e447580 --- /dev/null +++ b/packages/linux/linux-2.6.18/mmc-add-bit-manipulating-macros.patch @@ -0,0 +1,321 @@ +Index: linux-2.6.18/drivers/mmc/atmel-mci.c +=================================================================== +--- linux-2.6.18.orig/drivers/mmc/atmel-mci.c 2007-01-15 16:36:59.000000000 +0100 ++++ linux-2.6.18/drivers/mmc/atmel-mci.c 2007-01-16 13:18:40.000000000 +0100 +@@ -45,6 +45,7 @@ + EVENT_STOP_COMPLETE, + EVENT_STOP_ERROR, + EVENT_DMA_ERROR, ++ EVENT_CARD_DETECT, + }; + + struct atmel_mci_dma { +@@ -572,9 +589,8 @@ + * Data might complete before command for very short transfers + * (like READ_SCR) + */ +- if (test_bit(EVENT_CMD_COMPLETE, &host->completed_events) +- && (!data->stop +- || test_bit(EVENT_STOP_COMPLETE, &host->completed_events))) ++ if (mci_cmd_is_complete(host) ++ && (!data->stop || mci_stop_is_complete(host))) + atmci_request_end(host->mmc, data->mrq); + } + +@@ -604,11 +620,11 @@ + host->pending_events, host->completed_events, + mci_readl(host, IMR)); + +- if (test_and_clear_bit(EVENT_CMD_ERROR, &host->pending_events)) { ++ if (mci_clear_cmd_error_is_pending(host)) { + struct mmc_command *cmd; + +- set_bit(EVENT_CMD_ERROR, &host->completed_events); +- clear_bit(EVENT_CMD_COMPLETE, &host->pending_events); ++ mci_set_cmd_error_complete(host); ++ mci_clear_cmd_pending(host); + cmd = host->mrq->cmd; + + if (cmd->data) { +@@ -620,28 +636,27 @@ + atmci_command_error(mmc, cmd, host->error_status); + atmci_request_end(mmc, cmd->mrq); + } +- if (test_and_clear_bit(EVENT_STOP_ERROR, &host->pending_events)) { +- set_bit(EVENT_STOP_ERROR, &host->completed_events); +- clear_bit(EVENT_STOP_COMPLETE, &host->pending_events); ++ if (mci_clear_stop_error_is_pending(host)) { ++ mci_set_stop_error_complete(host); ++ mci_clear_stop_pending(host); + atmci_command_error(mmc, host->mrq->stop, + host->error_status); + if (!host->data) + atmci_request_end(mmc, host->mrq); + } +- if (test_and_clear_bit(EVENT_CMD_COMPLETE, &host->pending_events)) { +- set_bit(EVENT_CMD_COMPLETE, &host->completed_events); +- if (!mrq->data +- || test_bit(EVENT_DATA_COMPLETE, &host->completed_events)) ++ if (mci_clear_cmd_is_pending(host)) { ++ mci_set_cmd_complete(host); ++ if (!mrq->data || mci_data_is_complete(host)) + atmci_request_end(mmc, mrq); + } +- if (test_and_clear_bit(EVENT_STOP_COMPLETE, &host->pending_events)) { +- set_bit(EVENT_STOP_COMPLETE, &host->completed_events); +- if (test_bit(EVENT_DATA_COMPLETE, &host->completed_events)) ++ if (mci_clear_stop_is_pending(host)) { ++ mci_set_stop_complete(host); ++ if (mci_data_is_complete(host)) + atmci_request_end(mmc, mrq); + } +- if (test_and_clear_bit(EVENT_DMA_ERROR, &host->pending_events)) { +- set_bit(EVENT_DMA_ERROR, &host->completed_events); +- clear_bit(EVENT_DATA_COMPLETE, &host->pending_events); ++ if (mci_clear_dma_error_is_pending(host)) { ++ mci_set_dma_error_complete(host); ++ mci_clear_data_pending(host); + + /* DMA controller got bus error => invalid address */ + data->error = MMC_ERR_INVALID; +@@ -650,18 +665,17 @@ + mmc_hostname(mmc), host->data->bytes_xfered); + + if (data->stop +- && !test_and_set_bit(EVENT_STOP_SENT, +- &host->completed_events)) ++ && !mci_set_stop_sent_is_completed(host)) + /* TODO: Check if card is still present */ + send_stop_cmd(host->mmc, data, 0); + + atmci_data_complete(host, data); + } +- if (test_and_clear_bit(EVENT_DATA_ERROR, &host->pending_events)) { ++ if (mci_clear_data_error_is_pending(host)) { + u32 status = host->error_status; + +- set_bit(EVENT_DATA_ERROR, &host->completed_events); +- clear_bit(EVENT_DATA_COMPLETE, &host->pending_events); ++ mci_set_data_error_complete(host); ++ mci_clear_data_pending(host); + + dma_stop_request(host->dma.req.req.dmac, + host->dma.req.req.channel); +@@ -686,14 +700,14 @@ + mmc_hostname(host->mmc), data->bytes_xfered); + + if (data->stop +- && !test_and_set_bit(EVENT_STOP_SENT, &host->completed_events)) ++ && !mci_set_stop_sent_is_completed(host)) + /* TODO: Check if card is still present */ + send_stop_cmd(host->mmc, data, 0); + + atmci_data_complete(host, data); + } +- if (test_and_clear_bit(EVENT_DATA_COMPLETE, &host->pending_events)) { +- set_bit(EVENT_DATA_COMPLETE, &host->completed_events); ++ if (mci_clear_data_is_pending(host)) { ++ mci_set_data_complete(host); + data->bytes_xfered = data->blocks * data->blksz; + atmci_data_complete(host, data); + } +@@ -716,10 +761,10 @@ + mci_writel(host, IDR, MCI_BIT(CMDRDY) | MCI_CMD_ERROR_FLAGS); + host->cmd = NULL; + +- if (test_bit(EVENT_STOP_SENT, &host->completed_events)) +- set_bit(EVENT_STOP_COMPLETE, &host->pending_events); ++ if (mci_stop_sent_is_complete(host)) ++ mci_set_stop_pending(host); + else +- set_bit(EVENT_CMD_COMPLETE, &host->pending_events); ++ mci_set_cmd_pending(host); + + tasklet_schedule(&host->tasklet); + } +@@ -735,13 +780,12 @@ + host = container_of(dma, struct atmel_mci, dma); + data = host->data; + +- if (data->stop && !test_and_set_bit(EVENT_STOP_SENT, +- &host->completed_events)) ++ if (data->stop && !mci_set_stop_sent_is_completed(host)) + send_stop_cmd(host->mmc, data, 0); + + if (data->flags & MMC_DATA_READ) { + mci_writel(host, IDR, MCI_DATA_ERROR_FLAGS); +- set_bit(EVENT_DATA_COMPLETE, &host->pending_events); ++ mci_set_data_pending(host); + tasklet_schedule(&host->tasklet); + } else { + /* +@@ -765,7 +809,7 @@ + mci_writel(host, IDR, (MCI_BIT(NOTBUSY) + | MCI_DATA_ERROR_FLAGS)); + +- set_bit(EVENT_DMA_ERROR, &host->pending_events); ++ mci_set_dma_error_pending(host); + tasklet_schedule(&host->tasklet); + } + +@@ -790,10 +834,10 @@ + | MCI_DATA_ERROR_FLAGS)); + host->error_status = status; + host->cmd = NULL; +- if (test_bit(EVENT_STOP_SENT, &host->completed_events)) +- set_bit(EVENT_STOP_ERROR, &host->pending_events); ++ if (mci_stop_sent_is_complete(host)) ++ mci_set_stop_error_pending(host); + else +- set_bit(EVENT_CMD_ERROR, &host->pending_events); ++ mci_set_cmd_error_pending(host); + tasklet_schedule(&host->tasklet); + break; + } +@@ -801,7 +845,7 @@ + mci_writel(host, IDR, (MCI_BIT(NOTBUSY) + | MCI_DATA_ERROR_FLAGS)); + host->error_status = status; +- set_bit(EVENT_DATA_ERROR, &host->pending_events); ++ mci_set_data_error_pending(host); + tasklet_schedule(&host->tasklet); + break; + } +@@ -810,7 +854,7 @@ + if (pending & MCI_BIT(NOTBUSY)) { + mci_writel(host, IDR, (MCI_BIT(NOTBUSY) + | MCI_DATA_ERROR_FLAGS)); +- set_bit(EVENT_DATA_COMPLETE, &host->pending_events); ++ mci_set_data_pending(host); + tasklet_schedule(&host->tasklet); + } + +Index: linux-2.6.18/drivers/mmc/atmel-mci.h +=================================================================== +--- linux-2.6.18.orig/drivers/mmc/atmel-mci.h 2007-01-16 13:22:59.000000000 +0100 ++++ linux-2.6.18/drivers/mmc/atmel-mci.h 2007-01-16 13:24:33.000000000 +0100 +@@ -189,4 +189,124 @@ + #define mci_writel(port,reg,value) \ + __raw_writel((value), (port)->regs + MCI_##reg) + ++/* Test bit macros for completed events */ ++#define mci_cmd_is_complete(host) \ ++ test_bit(EVENT_CMD_COMPLETE, &host->completed_events) ++#define mci_cmd_error_is_complete(host) \ ++ test_bit(EVENT_CMD_ERROR, &host->completed_events) ++#define mci_data_is_complete(host) \ ++ test_bit(EVENT_DATA_COMPLETE, &host->completed_events) ++#define mci_data_error_is_complete(host) \ ++ test_bit(EVENT_DATA_ERROR, &host->completed_events) ++#define mci_stop_sent_is_complete(host) \ ++ test_bit(EVENT_STOP_SENT, &host->completed_events) ++#define mci_stop_is_complete(host) \ ++ test_bit(EVENT_STOP_COMPLETE, &host->completed_events) ++#define mci_stop_error_is_complete(host) \ ++ test_bit(EVENT_STOP_ERROR, &host->completed_events) ++#define mci_dma_error_is_complete(host) \ ++ test_bit(EVENT_DMA_ERROR, &host->completed_events) ++#define mci_card_detect_is_complete(host) \ ++ test_bit(EVENT_CARD_DETECT, &host->completed_events) ++ ++/* Test and clear bit macros for pending events */ ++#define mci_clear_cmd_is_pending(host) \ ++ test_and_clear_bit(EVENT_CMD_COMPLETE, &host->pending_events) ++#define mci_clear_cmd_error_is_pending(host) \ ++ test_and_clear_bit(EVENT_CMD_ERROR, &host->pending_events) ++#define mci_clear_data_is_pending(host) \ ++ test_and_clear_bit(EVENT_DATA_COMPLETE, &host->pending_events) ++#define mci_clear_data_error_is_pending(host) \ ++ test_and_clear_bit(EVENT_DATA_ERROR, &host->pending_events) ++#define mci_clear_stop_sent_is_pending(host) \ ++ test_and_clear_bit(EVENT_STOP_SENT, &host->pending_events) ++#define mci_clear_stop_is_pending(host) \ ++ test_and_clear_bit(EVENT_STOP_COMPLETE, &host->pending_events) ++#define mci_clear_stop_error_is_pending(host) \ ++ test_and_clear_bit(EVENT_STOP_ERROR, &host->pending_events) ++#define mci_clear_dma_error_is_pending(host) \ ++ test_and_clear_bit(EVENT_DMA_ERROR, &host->pending_events) ++#define mci_clear_card_detect_is_pending(host) \ ++ test_and_clear_bit(EVENT_CARD_DETECT, &host->pending_events) ++ ++/* Test and set bit macros for completed events */ ++#define mci_set_cmd_is_completed(host) \ ++ test_and_set_bit(EVENT_CMD_COMPLETE, &host->completed_events) ++#define mci_set_cmd_error_is_completed(host) \ ++ test_and_set_bit(EVENT_CMD_ERROR, &host->completed_events) ++#define mci_set_data_is_completed(host) \ ++ test_and_set_bit(EVENT_DATA_COMPLETE, &host->completed_events) ++#define mci_set_data_error_is_completed(host) \ ++ test_and_set_bit(EVENT_DATA_ERROR, &host->completed_events) ++#define mci_set_stop_sent_is_completed(host) \ ++ test_and_set_bit(EVENT_STOP_SENT, &host->completed_events) ++#define mci_set_stop_is_completed(host) \ ++ test_and_set_bit(EVENT_STOP_COMPLETE, &host->completed_events) ++#define mci_set_stop_error_is_completed(host) \ ++ test_and_set_bit(EVENT_STOP_ERROR, &host->completed_events) ++#define mci_set_dma_error_is_completed(host) \ ++ test_and_set_bit(EVENT_DMA_ERROR, &host->completed_events) ++#define mci_set_card_detect_is_completed(host) \ ++ test_and_set_bit(EVENT_CARD_DETECT, &host->completed_events) ++ ++/* Set bit macros for completed events */ ++#define mci_set_cmd_complete(host) \ ++ set_bit(EVENT_CMD_COMPLETE, &host->completed_events) ++#define mci_set_cmd_error_complete(host) \ ++ set_bit(EVENT_CMD_ERROR, &host->completed_events) ++#define mci_set_data_complete(host) \ ++ set_bit(EVENT_DATA_COMPLETE, &host->completed_events) ++#define mci_set_data_error_complete(host) \ ++ set_bit(EVENT_DATA_ERROR, &host->completed_events) ++#define mci_set_stop_sent_complete(host) \ ++ set_bit(EVENT_STOP_SENT, &host->completed_events) ++#define mci_set_stop_complete(host) \ ++ set_bit(EVENT_STOP_COMPLETE, &host->completed_events) ++#define mci_set_stop_error_complete(host) \ ++ set_bit(EVENT_STOP_ERROR, &host->completed_events) ++#define mci_set_dma_error_complete(host) \ ++ set_bit(EVENT_DMA_ERROR, &host->completed_events) ++#define mci_set_card_detect_complete(host) \ ++ set_bit(EVENT_CARD_DETECT, &host->completed_events) ++ ++/* Set bit macros for pending events */ ++#define mci_set_cmd_pending(host) \ ++ set_bit(EVENT_CMD_COMPLETE, &host->pending_events) ++#define mci_set_cmd_error_pending(host) \ ++ set_bit(EVENT_CMD_ERROR, &host->pending_events) ++#define mci_set_data_pending(host) \ ++ set_bit(EVENT_DATA_COMPLETE, &host->pending_events) ++#define mci_set_data_error_pending(host) \ ++ set_bit(EVENT_DATA_ERROR, &host->pending_events) ++#define mci_set_stop_sent_pending(host) \ ++ set_bit(EVENT_STOP_SENT, &host->pending_events) ++#define mci_set_stop_pending(host) \ ++ set_bit(EVENT_STOP_COMPLETE, &host->pending_events) ++#define mci_set_stop_error_pending(host) \ ++ set_bit(EVENT_STOP_ERROR, &host->pending_events) ++#define mci_set_dma_error_pending(host) \ ++ set_bit(EVENT_DMA_ERROR, &host->pending_events) ++#define mci_set_card_detect_pending(host) \ ++ set_bit(EVENT_CARD_DETECT, &host->pending_events) ++ ++/* Clear bit macros for pending events */ ++#define mci_clear_cmd_pending(host) \ ++ clear_bit(EVENT_CMD_COMPLETE, &host->pending_events) ++#define mci_clear_cmd_error_pending(host) \ ++ clear_bit(EVENT_CMD_ERROR, &host->pending_events) ++#define mci_clear_data_pending(host) \ ++ clear_bit(EVENT_DATA_COMPLETE, &host->pending_events) ++#define mci_clear_data_error_pending(host) \ ++ clear_bit(EVENT_DATA_ERROR, &host->pending_events) ++#define mci_clear_stop_sent_pending(host) \ ++ clear_bit(EVENT_STOP_SENT, &host->pending_events) ++#define mci_clear_stop_pending(host) \ ++ clear_bit(EVENT_STOP_COMPLETE, &host->pending_events) ++#define mci_clear_stop_error_pending(host) \ ++ clear_bit(EVENT_STOP_ERROR, &host->pending_events) ++#define mci_clear_dma_error_pending(host) \ ++ clear_bit(EVENT_DMA_ERROR, &host->pending_events) ++#define mci_clear_card_detect_pending(host) \ ++ clear_bit(EVENT_CARD_DETECT, &host->pending_events) ++ + #endif /* __DRIVERS_MMC_ATMEL_MCI_H__ */ |