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https://github.com/FEX-Emu/linux.git
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ipwireless: make more use of pcmcia_loop_config()
Within the pcmcia_loop_config() callback, we already have all tuple data available we need. Also add a fix to release the IO resource (at least within pcmcia_loop_config() error path). CC: Jiri Kosina <jkosina@suse.cz> CC: David Sterba <dsterba@suse.cz> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
This commit is contained in:
Dominik Brodowski
parent
aaa8cfdada
commit
af757923a9
@ -79,12 +79,18 @@ static void signalled_reboot_callback(void *callback_data)
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schedule_work(&ipw->work_reboot);
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}
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static int ipwireless_ioprobe(struct pcmcia_device *p_dev,
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cistpl_cftable_entry_t *cfg,
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cistpl_cftable_entry_t *dflt,
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unsigned int vcc,
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void *priv_data)
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static int ipwireless_probe(struct pcmcia_device *p_dev,
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cistpl_cftable_entry_t *cfg,
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cistpl_cftable_entry_t *dflt,
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unsigned int vcc,
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void *priv_data)
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{
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struct ipw_dev *ipw = priv_data;
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struct resource *io_resource;
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memreq_t memreq_attr_memory;
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memreq_t memreq_common_memory;
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int ret;
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p_dev->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
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p_dev->io.BasePort1 = cfg->io.win[0].base;
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p_dev->io.NumPorts1 = cfg->io.win[0].len;
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@ -95,30 +101,110 @@ static int ipwireless_ioprobe(struct pcmcia_device *p_dev,
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/* 0x40 causes it to generate level mode interrupts. */
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/* 0x04 enables IREQ pin. */
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p_dev->conf.ConfigIndex = cfg->index | 0x44;
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return pcmcia_request_io(p_dev, &p_dev->io);
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ret = pcmcia_request_io(p_dev, &p_dev->io);
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if (ret)
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return ret;
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io_resource = request_region(p_dev->io.BasePort1, p_dev->io.NumPorts1,
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IPWIRELESS_PCCARD_NAME);
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if (cfg->mem.nwin == 0)
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return 0;
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ipw->request_common_memory.Attributes =
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WIN_DATA_WIDTH_16 | WIN_MEMORY_TYPE_CM | WIN_ENABLE;
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ipw->request_common_memory.Base = cfg->mem.win[0].host_addr;
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ipw->request_common_memory.Size = cfg->mem.win[0].len;
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if (ipw->request_common_memory.Size < 0x1000)
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ipw->request_common_memory.Size = 0x1000;
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ipw->request_common_memory.AccessSpeed = 0;
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ret = pcmcia_request_window(&p_dev, &ipw->request_common_memory,
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&ipw->handle_common_memory);
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if (ret != 0) {
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cs_error(p_dev, RequestWindow, ret);
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goto exit1;
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}
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memreq_common_memory.CardOffset = cfg->mem.win[0].card_addr;
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memreq_common_memory.Page = 0;
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ret = pcmcia_map_mem_page(ipw->handle_common_memory,
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&memreq_common_memory);
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if (ret != 0) {
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cs_error(p_dev, MapMemPage, ret);
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goto exit2;
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}
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ipw->is_v2_card = cfg->mem.win[0].len == 0x100;
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ipw->common_memory = ioremap(ipw->request_common_memory.Base,
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ipw->request_common_memory.Size);
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request_mem_region(ipw->request_common_memory.Base,
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ipw->request_common_memory.Size,
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IPWIRELESS_PCCARD_NAME);
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ipw->request_attr_memory.Attributes =
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WIN_DATA_WIDTH_16 | WIN_MEMORY_TYPE_AM | WIN_ENABLE;
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ipw->request_attr_memory.Base = 0;
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ipw->request_attr_memory.Size = 0; /* this used to be 0x1000 */
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ipw->request_attr_memory.AccessSpeed = 0;
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ret = pcmcia_request_window(&p_dev, &ipw->request_attr_memory,
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&ipw->handle_attr_memory);
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if (ret != 0) {
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cs_error(p_dev, RequestWindow, ret);
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goto exit2;
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}
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memreq_attr_memory.CardOffset = 0;
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memreq_attr_memory.Page = 0;
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ret = pcmcia_map_mem_page(ipw->handle_attr_memory,
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&memreq_attr_memory);
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if (ret != 0) {
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cs_error(p_dev, MapMemPage, ret);
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goto exit3;
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}
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ipw->attr_memory = ioremap(ipw->request_attr_memory.Base,
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ipw->request_attr_memory.Size);
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request_mem_region(ipw->request_attr_memory.Base,
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ipw->request_attr_memory.Size, IPWIRELESS_PCCARD_NAME);
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return 0;
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exit3:
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pcmcia_release_window(ipw->handle_attr_memory);
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exit2:
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if (ipw->common_memory) {
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release_mem_region(ipw->request_common_memory.Base,
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ipw->request_common_memory.Size);
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iounmap(ipw->common_memory);
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pcmcia_release_window(ipw->handle_common_memory);
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} else
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pcmcia_release_window(ipw->handle_common_memory);
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exit1:
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release_resource(io_resource);
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pcmcia_disable_device(p_dev);
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return -1;
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}
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static int config_ipwireless(struct ipw_dev *ipw)
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{
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struct pcmcia_device *link = ipw->link;
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int ret = 0;
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tuple_t tuple;
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unsigned short buf[64];
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cisparse_t parse;
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memreq_t memreq_attr_memory;
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memreq_t memreq_common_memory;
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ipw->is_v2_card = 0;
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tuple.Attributes = 0;
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tuple.TupleData = (cisdata_t *) buf;
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tuple.TupleDataMax = sizeof(buf);
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tuple.TupleOffset = 0;
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ret = pcmcia_loop_config(link, ipwireless_ioprobe, NULL);
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ret = pcmcia_loop_config(link, ipwireless_probe, ipw);
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if (ret != 0) {
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cs_error(link, RequestIO, ret);
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goto exit0;
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return ret;
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}
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link->conf.Attributes = CONF_ENABLE_IRQ;
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@ -128,101 +214,6 @@ static int config_ipwireless(struct ipw_dev *ipw)
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link->irq.Handler = ipwireless_interrupt;
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link->irq.Instance = ipw->hardware;
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request_region(link->io.BasePort1, link->io.NumPorts1,
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IPWIRELESS_PCCARD_NAME);
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/* memory settings */
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tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
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ret = pcmcia_get_first_tuple(link, &tuple);
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if (ret != 0) {
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cs_error(link, GetFirstTuple, ret);
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goto exit1;
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}
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ret = pcmcia_get_tuple_data(link, &tuple);
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if (ret != 0) {
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cs_error(link, GetTupleData, ret);
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goto exit1;
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}
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ret = pcmcia_parse_tuple(&tuple, &parse);
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if (ret != 0) {
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cs_error(link, ParseTuple, ret);
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goto exit1;
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}
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if (parse.cftable_entry.mem.nwin > 0) {
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ipw->request_common_memory.Attributes =
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WIN_DATA_WIDTH_16 | WIN_MEMORY_TYPE_CM | WIN_ENABLE;
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ipw->request_common_memory.Base =
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parse.cftable_entry.mem.win[0].host_addr;
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ipw->request_common_memory.Size = parse.cftable_entry.mem.win[0].len;
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if (ipw->request_common_memory.Size < 0x1000)
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ipw->request_common_memory.Size = 0x1000;
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ipw->request_common_memory.AccessSpeed = 0;
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ret = pcmcia_request_window(&link, &ipw->request_common_memory,
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&ipw->handle_common_memory);
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if (ret != 0) {
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cs_error(link, RequestWindow, ret);
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goto exit1;
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}
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memreq_common_memory.CardOffset =
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parse.cftable_entry.mem.win[0].card_addr;
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memreq_common_memory.Page = 0;
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ret = pcmcia_map_mem_page(ipw->handle_common_memory,
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&memreq_common_memory);
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if (ret != 0) {
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cs_error(link, MapMemPage, ret);
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goto exit1;
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}
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ipw->is_v2_card =
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parse.cftable_entry.mem.win[0].len == 0x100;
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ipw->common_memory = ioremap(ipw->request_common_memory.Base,
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ipw->request_common_memory.Size);
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request_mem_region(ipw->request_common_memory.Base,
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ipw->request_common_memory.Size, IPWIRELESS_PCCARD_NAME);
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ipw->request_attr_memory.Attributes =
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WIN_DATA_WIDTH_16 | WIN_MEMORY_TYPE_AM | WIN_ENABLE;
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ipw->request_attr_memory.Base = 0;
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ipw->request_attr_memory.Size = 0; /* this used to be 0x1000 */
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ipw->request_attr_memory.AccessSpeed = 0;
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ret = pcmcia_request_window(&link, &ipw->request_attr_memory,
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&ipw->handle_attr_memory);
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if (ret != 0) {
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cs_error(link, RequestWindow, ret);
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goto exit2;
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}
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memreq_attr_memory.CardOffset = 0;
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memreq_attr_memory.Page = 0;
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ret = pcmcia_map_mem_page(ipw->handle_attr_memory,
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&memreq_attr_memory);
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if (ret != 0) {
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cs_error(link, MapMemPage, ret);
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goto exit2;
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}
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ipw->attr_memory = ioremap(ipw->request_attr_memory.Base,
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ipw->request_attr_memory.Size);
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request_mem_region(ipw->request_attr_memory.Base, ipw->request_attr_memory.Size,
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IPWIRELESS_PCCARD_NAME);
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}
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INIT_WORK(&ipw->work_reboot, signalled_reboot_work);
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ipwireless_init_hardware_v1(ipw->hardware, link->io.BasePort1,
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@ -234,7 +225,7 @@ static int config_ipwireless(struct ipw_dev *ipw)
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if (ret != 0) {
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cs_error(link, RequestIRQ, ret);
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goto exit3;
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goto exit;
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}
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printk(KERN_INFO IPWIRELESS_PCCARD_NAME ": Card type %s\n",
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@ -257,12 +248,12 @@ static int config_ipwireless(struct ipw_dev *ipw)
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ipw->network = ipwireless_network_create(ipw->hardware);
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if (!ipw->network)
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goto exit3;
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goto exit;
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ipw->tty = ipwireless_tty_create(ipw->hardware, ipw->network,
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ipw->nodes);
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if (!ipw->tty)
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goto exit3;
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goto exit;
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ipwireless_init_hardware_v2_v3(ipw->hardware);
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@ -274,33 +265,27 @@ static int config_ipwireless(struct ipw_dev *ipw)
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if (ret != 0) {
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cs_error(link, RequestConfiguration, ret);
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goto exit4;
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goto exit;
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}
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link->dev_node = &ipw->nodes[0];
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return 0;
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exit4:
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pcmcia_disable_device(link);
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exit3:
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exit:
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if (ipw->attr_memory) {
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release_mem_region(ipw->request_attr_memory.Base,
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ipw->request_attr_memory.Size);
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iounmap(ipw->attr_memory);
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pcmcia_release_window(ipw->handle_attr_memory);
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pcmcia_disable_device(link);
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}
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exit2:
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if (ipw->common_memory) {
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release_mem_region(ipw->request_common_memory.Base,
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ipw->request_common_memory.Size);
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iounmap(ipw->common_memory);
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pcmcia_release_window(ipw->handle_common_memory);
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}
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exit1:
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pcmcia_disable_device(link);
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exit0:
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return -1;
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}
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